News2 mins ago
homework
4 Answers
how do zips work
Answers
Best Answer
No best answer has yet been selected by littlepeople. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.http://howstuffworks.com and search on zippers
Hi, try this http://science.howstuffworks.com/zipper.htm