A zipper looks like one of the simplest objects people use every day, but the engineering inside is far stranger than it seems. The video shows how the slider’s hidden Y-shaped cavity tilts each tooth ...

Add Yahoo as a preferred source to see more of our stories on Google. It always seems to happen to your favorite dress, jeans, jacket or purse: you go to open or close the zipper and suddenly the ...

A slider is used to join or separate the zipper elements when it is moved up or down the chain. It is mainly made up of the slider body/cramper/pull tab/crown/, etc. A slider is used to join or ...