The Sinclair Cardsharp Knife would nicely meet the needs of someone looking to tote around an extremely thin dagger in their wallets or back pockets.
Unlike other utility knives, like Swiss Army Knives, the Cardsharp Knife isn't bulky or obvious -- it folds into a credit card size in just three steps. The sleek and compact design makes it a superb choice for those who want to carry a knife in their back pocket (only with good intentions, I'm sure.) Of course, the Cardsharp Knife also makes a great conversation piece for tough guys to show off at home.
The knife has a safety lock feature to make sure that you don't stab yourself, and that your little ones can't play with this dangerous toy.
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