15 Things That Are More Useful Than You Thought And You Didn’t Know What They’re For

Although you thought it was for making patches, it's actually for testing different detergents and seeing how new clothes will react.

Jeans have been used since the Old West in the 19th century, and the pocket was used to store watches.

It's there to hook onto nails with the assurance that the tape won't slip.

It is for making marks on surfaces without the need to let go.

This arrow indicates which side of the car the tank cap is on.

You've probably misused the pins. The side with the zigzag goes down, so it's more practical and easier for the bobby pin to hold your hair.

It's there for different reasons. The first of these is for the lock to drain, and thus prevent it from rusting or freezing. The other reason is to be able to lubricate the lock.

It is a ferrite nucleus or choke, i.e. a piece of magnetic iron oxide that serves to suppress high-frequency electromagnetic interference.

The small marked lines indicate that you can break the blade for a sharper one. To do this, remove the cap, slide the blade out, and use the cap to break the blade.

That tip is used to go through the protective film of the new container, just unscrew the lid, flip it over, put it on and press.

This is really simple, these holes are used to hang the rulers.

They are used to wrap the cable around. The thickest section of the cable is wrapped around the power block first, and the thinner part around the wings. Everything is secured with the small clamp it has.

It's a microphone for when using the rear camera.

This serves to keep both liquids and gases inside the bottles, if they did not have them they would run out of gas quickly.

They serve to compensate for the pressure to which the bottle is subjected during the corking process. That's why they're deeper in champagne bottles.