DIY credit card to guitar pick
Expired credit cards, library cards, and gift cards get a new life with the Pick Punch, a stapler-like gadget that creates unique guitar picks out of any flat piece of plastic. Customized maxed-out AMEX picks make jam sessions instantly cooler.
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I save all my "credit card" keys from the hotels. They make great window scrapers when there is some frost. Now I can use them for pick materiel too.