The 'unexpected' function of 11 familiar items but few people pay attention

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There are extremely familiar items for us but not everyone knows their uses. How does the small hole on the lock play a role? What is the use of plastic inside the bottle cap? This is why we decided to explore the 'unexpected' function of 11 familiar objects but few people pay attention . Please watch it!

11. The trademark part attached to the shoe

The 'unexpected' function of 11 familiar items but few people pay attention Picture 1 © Kevin Spencer

We often see this part of the brand attached to high-necked shoes. Of course, their main use is to help us feel more comfortable when wearing high neck shoes, not for decoration. But that is not all: that part of the brand can be used to put more string around the calf and help the shoe dry faster by hanging / hooking them up.

10. Plastic parts inside bottle caps

The 'unexpected' function of 11 familiar items but few people pay attention Picture 2 © depositphotos © depositphotos

You can see this plastic in the bottle cap of carbonated drinks. Without them, the gas inside the bottle will evaporate.

9. Small holes on the lock

The 'unexpected' function of 11 familiar items but few people pay attention Picture 3 © Steven Mileham

Maybe you think this hole is an extra detail? However, small holes on the locks carry some other uses. First of all, its function is like a drainage system when the lock is raining , making the lock not rust.

In addition, this is also a convenient location to check oil to help it operate more smoothly.

8. Small holes in the vacuum cleaner handle

The 'unexpected' function of 11 familiar items but few people pay attention Picture 4

The small holes on the handle of the vacuum cleaner are designed to reduce the suction power . This is very convenient when you vacuum the curtains. It also makes things stuck in the brush section or body tube removed easily.

Moreover, it also protects your vacuum cleaner from being hot when operating continuously. Modern vacuum cleaners often do not encounter this risk, but it is really useful with older vacuum cleaner models.

7. Adjustment lock

The 'unexpected' function of 11 familiar items but few people pay attention Picture 5

Plastic windows are often designed with different types of locks depending on the season ( hot season and cold season ). Very few of us know that we can use both " summer " and " winter " settings, varying by frame pressure. Remember: You should not use lock in " winter " mode because this will make the room airy and stuffy.

6. Small holes and saws on the tape end

The 'unexpected' function of 11 familiar items but few people pay attention Picture 6 © depositphotos

This hole is used to hook into the nail, in case you have to measure a fairly long section without anyone helping to keep the other end.

In addition, the small saws on the ruler are used to mark the position in case you do not carry a pencil.

5. Floating bounds on F and J keys

The 'unexpected' function of 11 familiar items but few people pay attention Picture 7 © Alexander-design

The two flanges on the "F" and "J" keys are designed to help users locate the correct key without having to look down at the keyboard. The reason why only these keys have burrs is to help users place their hands in the optimal position .

This is also the position to place two index fingers when typing the keyboard with 10 fingers. With the index finger of your hands placed on two ledges, your left hand will cover the keys A, S, D and F, while the right hand covers the keys J, K, L and semicolon.

4. Small hole in Chupa Chups candy stick

The 'unexpected' function of 11 familiar items but few people pay attention Picture 8

The hole in the Chupa Chups candy stick will help the candy on it not fall off the stick.

When making candies, people put the stick in the mold first and then pour the liquid candy later. The liquid candy will immediately slip through the slot and fill this hole first. When the candy hardens, the candy in the hole acts as a nail, attaching candy to the stick , making the candy not fall off when packing or eating.

3. Floating face of cotton pad

The 'unexpected' function of 11 familiar items but few people pay attention Picture 9

It turns out that not all of us know why cotton pads have two different surfaces. The embossed face is used for makeup, while the smooth face is for cleaning and removing makeup.

2. Small metal pieces on staples

The 'unexpected' function of 11 familiar items but few people pay attention Picture 10

The 'unexpected' function of 11 familiar items but few people pay attention Picture 11

Special details on this pin help hold the paper stronger when you prepare to staple down.

In the ' normal ' mode, this piece of metal helps the pin to fit and to the right position . When turning to the stamping section 180 degrees, the main stamping part with the pin does the right function, while the other half opens out. This helps to not hurt the fingers and is convenient when pinning with a large amount of paper.

1. Foam or rubber foam pieces on the microphone

The 'unexpected' function of 11 familiar items but few people pay attention Picture 12 © ronaldo

Foam or rubber foam on the microphone is not used for decoration. They work to slow airflow to prevent outside noise from entering the microphone . With a professional recording in the studio, such protection will help to reduce the sound of " explosive " consonants in words, turning into a sound that attracts audiences.

See more: When you get rich, can you shop for me 14 items of this "heavenly" price?

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