10 things most people do not know their real use

10 things most people do not know their real use even though we see them almost every day

4- The existence of a "pocket" in women's underwear

The inner layer of the underwear of men and women must be made of soft material so as not to hurt the skin of delicate areas. However, the ladies' panties are made of two layers to provide maximum protection for this area and the second layer is not threaded to ensure more comfort for those who wear it. The reason why there is a pocket in women's underwear.

 5 - square piece on the back of the bags

This small leather piece is found in many backpacking bags, which are very useful when going camping. They are designed to pass ropes and hooks through them, and they are available on many backpacks today to serve as a mere accessory.

6 - There is a hole between the camera lens and flash on the iPhone

Few people know that this tiny hole is actually an auxiliary microphone in the device, it makes the sound during the recordings clearer, and helps the "Seri" understand the dialects and reduces the noise that is captured by the main microphone.

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