Chinese take-out! It often comes in this square cardboard box! But, did you know that box folds out into a plate? It's true!

Everything you've ever been told is a lie! The tab that you use to open your can of soda (or pop, depending on where you're from) is made so you can flip it around and put a straw in it!

The average American doesn't actually know when it is time to change their tires, but they also don't know that most tires have a built-in system for this! Once the tread wear indicator touches the pavement, it's time to change!

Always having trouble with the aluminum foil roll falling out when you try to cut a piece? The truth is: there is a built-in system to make it easy! All you have to do is push in the foil holders on the ends!

This little knob on your cable cord is actually called a ferrite bead. It is made to suppress high-frequency noise in electronic circuits. Hey, look, a purpose!

When you're cooking pasta in a pot, it can be hard to find somewhere to set your spoon. But, most pots are created so that the hooks safely secure the utensil in a mess-free way!

Another struggle when cooking pasta is that it boils over so easily! To prevent that, wooden spoons are the perfect candidate to stop it!

Fast food ketchup containers are known for not holding enough ketchup. This is because we've been using them wrong for years! They actually fold out!

Normally, you just dump a tic tac into your hand or mouth, but it turns out that little dip in the lid has a purpose after all.

Does your bottle of soda always go flat if you don't drink it right away? Did you take the little rubber thing in the cap out? Don't. It is there to contain the fizz!

How often do you go to get gas, and while at the station, you stop for a minute and ask yourself… "Which side is my tank on?" Well, I hate to break it to you, but your HUD already told you.

Back to pasta! How do you know what a serving of pasta is? If you're lucky enough, your pasta spoon has a built-in tool to help you out!

When you have trouble opening a tube of something, check the top of the lid to see if it has a puncture point that will open the tube for you!

The next time you look at your keyboard, you will notice that the F and J keys have bumps. This is, so typists know where they are at, at all times!

The double zipper technique you see on your luggage is for more than just easy access. It is also made so you can lock the zippers together.

Yes, the plunger, or at least the cup plunger (the red plunger icon), is actually made for sinks and bathtubs, not toilets. The toilet plunger is a much better fit for the toilet… obviously.

When you're at a bar, and you leave your drink, people assume you are done. But if you place a coaster on your glass, it is a universal sign for, "I'll be right back."

That hole in the top of many pen caps is not to ventilate the pen but is made for emergencies if swallowed. Over 100 deaths a year are caused by swallowed pen caps, so this is a legit measure!

Ever wondered why some erasers have a blue side and a pink side. Legend has it the blue side can erase ink! Imagine that!

If you want your padlock to stay secure, you might want to use that mysterious hole at the bottom to oil it every once in a while!

You probably haven't even noticed that there is an indented "57" on glass bottles of Heinz. This number marks the spot where you are supposed to hit the glass to make the ketchup run smoothly! Bet you've been hitting the bottom all along!

Do you ever accidentally type in ALL CAPS FOR NO REASON AT ALL? Instead of retyping the words, all you have to do is select them and press "shift" along with "f3" or sometimes, "fn" plus "shift" plus "f3." If you want the first letter of each word/sentence capitalized, just do it again.

If you have a to-go drink but need a coaster, you may find that the lid makes a perfect one! It will fit exactly into the slot and lay flat on the table.

Sure, the primary purpose of a headrest is to "rest your head." But on the other hand, when in a wreck, the headrest is made to slide out and be used to break a window!