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Craig writes in –

Here are some circuit board earrings I’ve been making for years. Cut a circuit board with a Dremel cutoff wheel, sand the edges straight with a belt sander and then ultra-fine sand the edges and corners smooth. Since it is fiberglass, you must coat the raw edge with a clear nail polish, and make sure there is no lead solder on the back side against your ear. Wear eye protection as always and a dust mask is good too when cutting/sanding fiberglass. The studs and backers can be purchased at a fabrics & craft store by the 50ct. bag. The perfect jewelry for the computer geek or electronics nerd!