Four things You didn’t know the use of

Well you see them and you know they are there, but you don’t know why they are there. Here are five things you did not know the use of.

See also: Four things Men doesn’t want women to do

Cylindrical pop up

Iam sure you have noticed these cylindrical pop ups in the cable that goes to your computer? What are they ? Are they there for a reason ? Of course they are, nobody is gonna put a cylinder on your wire for no reason. That lump is called a Ferrite bead or a choke. Have you noticed your radio buzzing when its to near to a cell phone?It happens because of electromagnetic interference and that cylinder is basically an electromagnetic wave bouncer. It helps your device  stay protected from such electromagnetic teleconferences. Thanks to the lump, your screen doesn’t flicker or your speaker don’t buzz as much as it would otherwise have.

The little arrow in the fuel gauge

Have you noticed this ? Yes they exist and pretty much in all cars. The arrow tells you on which side of the car you have the fuel tank. So when you drive your friends car and you are not familiar with it, you don’t have to get out of the car and check where the tank is. Just follow the arrow.

Jeans Pocket

People think its for coins, but really how many coins can you fit in there? Levis says they introduced the pocket to keep small pocket watches. It was mostly a fashion that existed in the cowboys of 1800s. But then what about the studs on it? Is that a style element.? Well you should know that jeans was primarily introduced for workers and miners and due to their strenuous work, those parts of jeans used to get torn easily. The studs were given for extra bolstering.

Small bump on F and J keys

If you follow a ten finger typing, F and J keys ae where your index fingers rest. So that bump will allow you to find your way around the keys even without looking at the keyboard. Handy isn’t it ?