When you're out camping and your tent zipper gets stuck, it feels like the obvious thing to do is grab a can of WD-40 and spray away. However, the obvious thing to do is not always the right thing to ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." So next time your zipper acts up, don’t panic, and don’t automatically assume you need to toss your item.

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