Nite ize doohickey skulley key tools the size and shape of a house key the clever lightweight doohickey quickey and skullkey tools have all the functionality of a basic multi tool and none of the bulk in short they do everything but open a door product information the doohickey quickey and skullkey tools are simple key shaped tools that attach to your key ring so theyre always at hand when you need them this products clever design incorporates each of the following functions a fil