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The part of the zipper that comes up and down, and opens or closes the teeth is called the slide. It usually has a zipper pull attached to it which is a tab to help it go up and down. Sometimes the tab breaks off, but a new one can be attached.

For more about the zipper and how it works, see this: http://science.howstuffworks.com/zipper.htm/printable

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16y ago

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