he size and shape of a house key, the clever, lightweight DoohicKey SkullKey Tool has all the functionality of a basic multi-tool, and none of the bulk. In short, it do everything but open a door. The DoohicKey SkullKey Tool is simple, key-shaped tool that attach to your key ring, so it's always at hand when you need it. This product's clever design incorporates each of the following functions: a file, a #2 flat-head screwdriver, a scoring point (great as a box cutter and for easily opening clamshell packages), a serrated edge (to saw through twine and clothing tags), and, finally, of course, a bottle opener (because you always want a bottle opener!). Made of durable stainless steel, the DoohicKey SkullKey Tool is travel and airport friendly, and, because of their endless uses, endlessly useful.