Credit Card CardSharp2

Iain Sinclair’s CardSharp2 is a folding, surgical grade knife that looks just like a credit card, but can be unfolded in seconds, and you can pick one up for $3.29 shipped, today only, originally $19.99. At 2.2mm thin, the 13-gram CardSharp2 transforms from a credit card-sized accessory into surgical-grade knife with a sturdy handle. This waterproof tool features a nearly 3″ long blade, and the polypropylene handle is guaranteed to last a lifetime of unfolding and folding. Product page. Continue reading for a two videos, including a cutting demonstration and additional information

This inconspicuous tool is a must-have for the prepared adult (unless you’ve somehow evolved razor-sharp fingernails made from surgical-grade steel), but not everyone wants to carry a separate knife or add more bulk to their already rotund keyring. Well, here comes CardSharp to the rescue. More information.