Instructables
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This is a quick and easy way to make a beer coozie out of an old wetsuit.

Courtesy of:
http://www.techshop.ws
http://www.meetup.com/SF-Surf-Science/

Needed:
An old wetsuit
Very sharp scissors (I used fabric scissors)
Sharpie
A sheet of paper
Aquseal (or other neoprene repair contact cement)
Beer/Soda can