throwaway-boxer said:
The humble corrugated cardboard box.

It's lightweight, strong, splash resistant, somewhat padded, doesn't break down in heat/cold, scratch resistant, recyclable, biodegradeable and able to be assembled cheaply into any size.

The basic design has existed for over 150 years. The retail shipping industry runs on cardboard boxes.

XYZ2ABC replied:
The Corrugated Fiberboard Association of America would like to remind you that it’s the humble Corrugated Fiberboard box you’re referring to; a cardboard box is what your shoes come in.

throwaway-boxer , Helena Jacoba Report

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eeeeeeeee

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Also, Cats.

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Raptorscars said:
The ballpoint pen, clearly

Calphrick replied:
Give credit to the inventor, Laszlo Biro. He escaped the Nazis, invented the pen, then got ripped off and never made money.

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Kookamunga

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Indeed, I do prefer the ballpoint to dipping a quill into bottled ink.

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ohz0pants said:
Toilets. They use nothing more than gravity to reliably flush. Doesn't use power at all.

i-d-p replied:
And if you’ve ever used a poorly engineered toilet, you really learn to appreciate the well engineered ones.

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Nathaniel

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It must be said toilets take a lot of s**t.

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Paranomorte said:
Screws, can you imagine what would happen if all the screws suddenly disappeared from world? Everything would fall apart

FarmerMKultra replied:
We would be screwed.

Dahhhkness replied:
Tool puns, everyone, you know the drill.

ihlaking replied:
> "you know the drill."
I mean, I know a bit.

UndercoverFBIAgent9 replied:
Time to ratchet up the laughter.

RiverShenismydad replied:
Y'all are nuts.

teeebax replied:
This is absolutely riveting.

Shonnyboy500 replied:
I find it boring.

olioli86 replied:
Too plane for you I guess.

BreakfastBright1999 replied:
Nah, just hammered.

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Nathaniel

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Without the screw we would lose the screwdriver. And I like cocktails.

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Torvaun said:
LEGO. When's the last time you got two bricks that didn't fit, or that were loose?

DneSokas replied:
TBF LEGO is actually quite expensive as far as toys go, but IIRC their manufacturing tolerance is literally tighter than some components used by NASA and in theory the first ever brick manufactured would work with one manufactured today.

HoraceBenbow replied:
> "in theory the first ever brick manufactured would work with one manufactured today."

Can confirm. My son inherited some of his grandfather's bricks from the 1960s. They fit today's bricks perfectly.

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censor

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Lego is the best toy ever. So glad they didn't go out of business in the 1990s.

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wanderingsoul825 said:
The zipper. It’s a very cheap mechanism that secures objects in a very neat fashion. No wonder it’s used in most objects that need to be opened and closed such as luggage and jackets.

DonatellaVerpsyche replied:
Sewing person here adding: not all zippers are created equal. There is a big difference in quality. Those zippers in the top of a purse or a great jacket that just move smoothly like butter: yep, great quality. The cheap ones are the ones that will drive you nuts and get stuck. I always get the best quality for what I’m making. Huge difference. And those top quality zippers are also a lot more expensive, like $5-7/ each. (Vs Very roughly, a cheaper zipper can go for like $0.50-2.50/ ea.)

Added fun fact that includes zippers: (often) the most expensive part of a handbag is the hardware and this includes all the zippers.

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Mark Alibozek

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Neat fact most decent quality zippers are made from the same company. YKK I think is the name?

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Tough question, I'd say stainless steel cutlery.

How many other things in life are used almost every day, then machine washed, thrown haphazardly into a drawer & regularly survive in a working condition for much more than a century.

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Teampandas GF

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Nice thought, adding them to this list

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-This-Whomps- said:
Metal pencil sharpeners (the manual kind, not electric).

Don't buy the plastic ones in the school supply section. Go to the art section. Those metal sharpeners are CHOICE.

normopathy replied:
I have a blackwing two-stage sharpener, I could do surgery with a pencil sharpened with it.

nether_wallop replied:
Please don't.

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Joseph Kastorff

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"please dont" haha

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As a new parent... diapers. Disposable diapers in particular.

Imagine being told as an engineer, you need to design a device to contain the vilest, grossest materials known to man. Both liquids and goopy solids. This device must have 3 tight seals against a constantly moving and wiggling life form of inconsistent size. Said life form has notoriously delicate skin, so the materials you can use are drastically limited. It must be able to be removed and installed in seconds by amateurs running on approximately 14 minutes of sleep...

... and it has to cost about 30 cents a unit.

StarManta , Inga Munsinger Cotton Report

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Zoe's Mom

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So much waste thou.

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HuntertheGoose said:
Batteries are marvels of engineering packed tightly into a minuscule canister, even AA batteries are incredibly sophisticated internally.

Toboloroner replied:
I saw a video of someone take apart a lithium energizer battery the other day - and it looks like cotton balls and folded foil just all jammed together.

Like, someone figured out how to harness so much energy into that thing???

It's me admitting that I can barely tie my shoes, and here are people just casually throwing atoms together to make my car go zoom.

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Anna Banana

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I remember finding physics classes really boring until in 7th grade the teacher made us memorize how a battery works (we had to write detailed descriptions on tests, like whole-page long descriptions). It was suddenly fascinating, probably because it moved from abstract theory into the real world.

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larryb78 said:
Zip ties. Such a simple piece of plastic but so versatile. I have one of the old fashioned chain link fences, some of the fasteners on the middle poles broke and in high winds the fence was swaying like crazy. A half dozen zip ties on the three posts and it doesn’t budge and nobody even knows they’re there.

loverlyone replied:
My son rebuilt the front of his car with them time and again. He’s a genius with a zip tie. With not hitting the car in front of him, not so much.

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Teampandas GF

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One can even reuse them sometimes. When it's a long zip tie and one cuts the right side, one can use it again. I started a small collection from shipped goods in a drawer and rarely use a new one since.

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the27thQuestioner said:
Matches.

SultanOfSwave replied:
Matches are underappreciated because people don't really understand how complex a match and striker are.

From the Encyclopedia Britannica....

"The head of a match uses antimony trisulfide for fuel. Potassium chlorate helps that fuel burn and is basically the key to ignition, while ammonium phosphate prevents the match from smoking too much when it's extinguished. Wax helps the flame travel down the matchstick and glue holds all the stuff together. The dye-- well, that just makes it look pretty. On the striking surface, there's powdered glass for friction and red phosphorus to ignite the flame.

Now, the fun stuff-- striking a match against the powdered glass on the matchbox creates friction. Heat from this friction converts the red phosphorus into white phosphorus. That white phosphorus is extremely volatile and reacts with oxygen in the air, causing it to ignite. All this heat ignites the potassium chlorate, creating the flame you see here.

Oxidizers, like potassium chlorate, help fuels burn by giving them more oxygen. This oxygen combines with antimony trisulfide to produce a long-lasting flame so you have enough time to light a candle. The whole thing is coated with paraffin wax, which helps the flame travel down the match. Just don't burn the house down.

As antimony oxidizes, sulfur oxides form, creating that burnt-match scent. The smoke you're seeing is actually tiny unburned particles resulting from an incomplete combustion. Individually, they're a little bit too small to see but grouped together, they form smoke. There's also some water vapor in there.

By the way, all the stuff that we're explaining in 90 seconds, it all happens within tenths of a second. Chemistry's fast."

the27thQuestioner , charcoal soul Report

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M O'Connell

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Fun fact, the lighter was invented before matches were.

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Yoink_Tactics said:
Glass bottles. Let's melt this rock into a clear, brittle material and turn it into what? Windows? Decorations? Screens? No, we're making pressure vessels, baby!

DisownedByMother replied:
Glass in general. There is a Museum of Glass in Corning NY. It's pretty interesting and there are some very old pieces there with information on some of the ancient glass making techniques.

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Romenriel

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I love glass, it's absolutely gorgeous and so versatile.

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notanotherbreach said:
LEDs. Cheap diodes. Even colours. Ok, I dislike the blue ones but tint them and you get warm white.

Tactical_Moonstone replied:
Blue LEDs are a Nobel Prize-winning invention for how revolutionary they have been in lighting.

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willi santiago

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Specifically, the white LED inventor earned the Nobel

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XG2L5TM3WK said:
A red brick

DjangoVanTango replied:
Great Answer. There’s a great book called At Home by Bill Bryson which explains the history behind the way we live in our homes. Things like why it’s salt and pepper on our tables, why forks have four tines (a word I learned on the book) m and it includes a whole chapter (admittedly not the highlight of the book) on the history of bricks and how the humble brick literally shaped the way we lived from building our houses to the manufacturing process. The sort of thing that is both utterly fascinating and painfully dull at the same time.

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Mary Rose Kent

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I love, love, love “At Home.” Fascinating and educational! This book also convinced me to always put down the toilet seat lid when I flush…I had never really considered the whole “everything that’s in there sprays into the air and gets all over stuff.” TOOTHBRUSH!!!

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OurLadyOfWalsingham said:
Road reflectors. Countless lives saved.

Rit_Zien replied:
Similarly, rumble strips. On the shoulders and in the center. I'm sure they've saved my Dad's life many times over.

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Mary Rose Kent

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Rumble strips RULE!

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Much_Committee_9355 said:
Those thermic isolated cups you see construction workers drinking from, you can’t say Stanley or Yeti is just junk after trying it out.

MaxDamage1 replied:
I bought the Stanley granpa-going-fishing thermos. If you follow the instructions, it's ungodly how well it works. I actually started using their method with my cold yeti can thingy and it's amazing.

For those unfamiliar with how to use a thermos properly, you fill the thermos with boiling water for about 15 minutes, dump that water out, and then put in your coffee/tea. By preheating your thermos, it will keep that drink hotter than hell for hours beyond the already long heat containment you get using a room temp thermos. If you fill a can with water, freeze it, and put it in your yeti can cooler for a bit before you put your drink in it, it will extend its cooling abilities too.

Secondary fun fact: you can also use a thermos as a slow cooker. I'd preheat my thermos, put my stew ingredients in a pan and bring it to a boil, dump it all into my thermos, and leave it in my lunch box for the 5-6 hours until lunch. It's still steaming hot and all the ingredients have cooked down. It even worked with those ultra tough beef stew chunks and raw barley. Both were soft and slow cooked to perfection.

Much_Committee_9355 , F_A Report

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Mary Rose Kent

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I love ice-cold water, so I have a multitude of thermoses that I fill half-full and put in the freezer…when my current thermos loses its ice, I partially refill it and take the next one from the freezer. It’s absolutely wonderful!

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Hugh_JaRod said:
Velcro

Pinkbeans1 replied:
This made my kids’ shoes so much easier to deal with!

Of course, Dad (Grandpa) insisted on teaching them to tie shoelaces anyway. My kids were tying everyone else’s shoelaces for them in kindergarten.

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Robert Trebor

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I had someone almost convinced that the furry Velcro came from Slovenia and the hooky stuff from Slovakia, and it was a happy chance that they came together.

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LefterisLegend said:
The lighter. Spontaneously ignite fire basically whenever you want.

raitalin replied:
Specifically, Bic lighters are incredibly reliable. You can find one on the ground that's been outside for months and they still work. Cheaper disposables break in a million ways and more expensive refillable lighters will leave you disappointed if you store them, but you can always keep a Bic handy and know it'll work when you need it.

LefterisLegend , mtneer_man Report

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Kookamunga

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The lighters above are the crappy ones, it's Bic all the way.

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TriggeredSnake said:
Hinges! I had to [do] a study on them for my engineering class.

MagnusBruce replied:
I bet that bit of work opened some doors for you.

GreatPlagiarist replied:
I always get a laugh when you swing by.

[But in all seriousness...]
DonatellaVerpsyche replied:
Are we talking only metal hinges or are we talking bookbinding / box hinges, like the 2 hinges holding a 3 ring binder together? I did a massive project of recycling 3 ring binders and made all my own fabric and leather hinges. FASCINATING STUFF! How flexible/ not flexible the fabric had to be +how much glue to both create and hold the shape of the binder while letting it open completely like a plastic hinge. It was honestly fascinating nerdy stuff. I have a whole new appreciation for hinges (the wrap around and displacement of the main panels).

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Lady Goldberry

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First urchin: when is a door not a door? Second urchin: when its ajar! (Urchins supplied by T.Pratchett ;))

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The intermodal shipping container, a/k/a the Connex box. There are millions of the damned things all over the world, in use every single day. They are stackable, can be locked together, attach readily to ships, truck trailer frames, and rail cars, and can bear enormous loads.

The cost of their manufacture compared to their economic use value over their useful lives is next to nothing.

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Arthur Waite

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And they can be turned into housing units, quite comfortable and efficient. Low-cost housing is becoming a modern quest.

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The_Gene_Genie replied:
Computer processors, they're rocks we tricked into thinking.

waywardclip replied:
Little [munchkins] keep asking me to prove I'm not a robot.

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Bry

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"munchkins" really bored panda?

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Tarps. A million tasks for them; they're incredibly versatile. Make a shelter, make a floor, make a carriage vessel, make a weather-proof housing for firewood or anything outdoors you want protected. Use it at a picnic; it's better than a blanket on the ground. Because of the threading they're still mostly effective even when a tear develops. And because of that same threading they can distribute weight and hold up against snow and rain buildup. Then you can just take it down, spray it with a hose if needed; it's good as new. Fold it up to a compact form, and toss it in a corner until you need it next. You are never far from a store or gas station that sells them for cheap. Always keep one in your trunk.

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Mary Rose Kent

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Thanks…I’ll get one for my trunk, plus I’ll toss my sleeping bag back there so that if I need to spend the night in my car, I can spend it near my car instead.

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LucyVialli said:
Paper clip.

aMiracleAtJordanHare replied:
My industrial design professors said the paper clip may be the most perfectly-designed product in existence.

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Andy B

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The French word for paper clip is "trombone".

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HermitAndHound said:
Clothespins/-pegs, the wooden ones. People keep on trying to find some other way to do the job but never come up with something this durable and reliable.

carl84 replied:
The missus keeps buying plastic ones which degrade in the sun and shatter left, right, and centre all over the garden

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Nathaniel

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"Want to buy some pegs, Dave?" Let's see if anyone gets the reference.

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karmicbreath said:
Rubber bands.

thehogdog replied:
Stretch one over a tough to unscrew screw so you dont strip the screw head.

twoduvs replied:
How does this help?

InShortSight replied:
Putting the rubber between the metal of the screw and the screwdriver can increase traction and make tougher screws come easier.

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Amy D

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Good to know!

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BL1860B said:
Hard drives. F*****g spinning glass disks that hold terabytes of data.

implicitpharmakoi replied:
Yeah, this is the one where I really think "they engineered that to hell ". The heads fly microns above the platters on a cushion of air (in newer drives, helium). The precision of the voice coils in aligning the heads. The dsp circuitry to process the signal that should be noise. And modern hard disks have to warm the area they write with a laser so it'll hold the magnetic charge. They spin for years, and are surprisingly fast.

Absolutely incredible.

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Mary Rose Kent

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My first exposure to any type of computer came in the form of a Magcard machine. After that came IBM’s System 6, and then it moved off of strips and small tapes to large, computer disks that were flexible and easy to ruin but held heaps o’ stuff, relatively speaking. And then the floppy disk got smaller, and then it stopped being floppy. I worked as a Word Processor from 1975 until I switched from office work to video store employee…just burnt out from twenty years in a chair. And while I was doing that, Bill Gates released his first Mac, and my old job just disappeared.

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SuperFerno317 said:
Carabiners, cheap, easy to use, super useful for just about anything, and the higher grade ones (30-ish USD) can hold up a truck. What else needs to be said?

samx3i replied:
> "super useful for just about anything"
Like what? I'm genuinely baffled as to what they're for but I see them sold everywhere.

SuperFerno317 replied:
They’re essentially used for clipping two objects together securely while still being simple to unclip. They can be used for things as minor as connecting your water bottle to a backpack or connecting a dog leash to their harness to more critical things such as ensuring that a construction worker doesn’t fall off a 200 foot skyscraper or securing a hot air balloon to the ground.

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I use a carabiner as a keyring. Each key is on its own split ring, then threaded onto the carabiner. This makes it easy to hand off my car key to a valet or mechanic. Plus, I can clip the carabiner right onto my purse (or belt loop or bra strap) and not worry about losing my keys.

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Reaganson said:
The Wonderbar. It’s a crowbar.

DaveTheRave1nonly replied:
Yes! I use them all the time. Combined with a hammer, most precisely destructive handheld piece of metal you could ask for.

ButternutSasquatch replied:
The Wonder bra. Provides equally important leverage.

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Mary Rose Kent

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Re the last one: Now that I’m retired, I let my wonders live an uncaged life!

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CrassChris76 said:
Plungers.

gsfgf replied:
And make sure you have the right kind. The red ones are for flat drains like sinks and tubs. The black one with the extra bit is for the [poopier] because it can actually get a seal.

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A Random Demon Spawns

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Ah yes, poopier, the common phrase that every human being uses.

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