This diamond-shaped pig-nose-shaped cloth is called "decorative piece" and is usually made of leather. The English name is lash Tab, and lash means to spur and swing, which is related to the original function of decorative parts: fixation. In the past, decorative pieces were specially used to be placed at seams or at the bottom of backpacks, which had practical effects. But now, due to the progress of science and technology, there are stronger materials and stronger adhesives, and the wear resistance of schoolbag materials is so strong that it is no longer necessary to use decorative pieces to reinforce them. However, many manufacturers of backpacks put decorative parts in the most conspicuous place of backpacks because of the retro design concept. This setting is becoming more and more fashionable and adopted by more and more backpack brands. That's why there are so many signs of pig noses in the street.

There are rumors on the Internet that this pig's nose is specially used to hang things, which looks really ridiculous. Whether hanging things with this double hole is heavy or not, and whether the gravity that this pig nose can bear is not flattering, it is still used as an ornament honestly, but it does not rule out that it must be used to hang light ornaments, which is also quite fashionable.

Therefore, when you see this kind of piggy-nose backpack in the future, don't think it is a brand, let alone a fake brand in a bad street.