The size and shape of a house key, plus a carabiner clip, the clever, lightweight Nite Ize DoohicKey Clipkey Key Tool has all the functionality of a basic multi tool, and none of the bulk. The DoohicKey® ClipKey® will be the most useful item on your keychain. This mini multi tool clips easily to your key chain, and offers problem-solving all day with its screwdriver head, scoring point, serrated edge, and bottle opener.