12 Everyday Things We Didn’t Think Had a Purpose

The most ordinary things usually have hidden features people don’t know about. Some details may look just like design ideas but they actually have a certain purpose.



These tiny holes on your cup act as insulators for the heat from the beverage. The hot steam has to escape so that it can’t dislodge the lid. And those buttons help restaurant workers understand what’s in a cup, whether it’s tea, coffee, or cappuccino.

Sometimes drivers forget about the hose and drive away with the nozzle still in the car. To prevent the dispenser damage and keep the fuel from leaking, such magnetic nozzles have been created.

Bubbles aren’t just nice, they’re also useful. They act as a heat insulator.

If you find yourself locked in a car, you can get out with the help of a headrest. You have to take a headrest off and push one of the pegs from the headrest attachment down into the space where your window retracts, just where the seal is. Jam it down in there a few inches, and then pull the headrest toward you.

The spoon of a McDonald’s ice cream hooks directly onto the machine, which then spins it around to mix the ice cream toppings through the dessert.


Canisters were designed by German engineers for military use. There was a rule: a soldier could carry either 2 full or 4 empty containers. What’s more, is 2 soldiers could carry 1 heavy container.

Each microwave door has a black film which is really important. It serves as a shield and is called a Faraday cage. It’s an enclosure used to block electromagnetic fields.

In the past, American students used to snip off the loops to indicate that they were in a relationship and people around could see that a gentleman wasn’t “free” anymore.

Microwaveable rice pouches have tabs at the bottom that you can open to stop them from falling over while cooking.


Those flaps on the ends were designed for our convenience. If you push this flap, the roll will be securely fixed inside the box and it’ll be easier to take as much wrap as needed.

These flaps are actually useful if you want to easily get a baby out of a messy onesie. They help you pull the onesie downward, over the baby’s legs rather than over their head.

Push the hole right near the candy and it’ll jump out easily.

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