For the third issue, we’re back to the poor red hoodie, which also has a run in the zipper tape. After cutting off the fuzzies, [Magic Stitches] sews it back together with a contrasting thread ...

which are placed on the 50,000 yards of zipper tape also produced in a day. Watch the video to see the full process in action. More from Tech Ever wonder how zippers are made? Here's the answer!

and a set of dies then crimps the legs to the tape. A modern zipper machine can make stringers at a rate of 2000 teeth per minute. Plastic zippers are common these days, too, and manufacturing ...

Molded-tooth zippers have strong molded teeth fused onto the tape of the zipper. To fix a molded-tooth zipper, cut off the top portion precisely, since the teeth should be numbered. For a zipper ...