Paper clips are made of plastic coated with different colors. This not only makes paper clips more attractive, but also allows users to code pages with paper clips of different colors.
No one seems to have mentioned the patent of Gemstone paper clip, so it is impossible to determine who is its inventor. But since it was adopted at the beginning of this century, it has become a standard design.
Function introduction of paper clip
In the office, the most common use of paper clips is to clip files, put papers and folders together, and play a fixed role. When I was a child, I saw my neighbors put paper clips and wrapped them in colorful colored paper as curtains. They are very beautiful and can be twisted into various small works of art after being broken.
Including those shaped like bicycles. Break your fixed thinking and use your imagination to know how rich it is. Everyone thinks as much as possible, and the answers will be varied. In the training of creativity, after a little thinking, I will say more uses, such as stringing together as a chain, making toothpicks, tying things, forking food, stabbing people, and replacing keys to unlock.
Grind into a hook and go fishing. The button has dropped, so you can hook it with a paper clip. Grinding it can replace needles, make curtains, tattoo, clip hair, trim flowers, write with ink and pierce holes.