7. Victorinox Swiss Army Digital Camo Huntsman, $44 What this 3 1/2-inch gadget lacks in size it makes up for in hidden functionality. With a large blade, small blade, corkscrew, can opener, bottle opener, wire stripper, screwdriver, reamer, key ring, tweezers, toothpick, scissors, multipurpose hook and wood saw, you can both start and end a party, fight, or dinner with all of the above.