Meet the "slidingly engaging fastener":
http://www.popsci.com/popsci/technology/c0b72ee32fb82110vgnvcm1000004eecbccdrcrd.html
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Meet the "slidingly engaging fastener":
http://www.popsci.com/popsci/technology/c0b72ee32fb82110vgnvcm1000004eecbccdrcrd.html
Become a member to post in the forums.