You've tried the pocketknife, now try the pocket hammer. This folding multi-tool is small enough to dangle from a keyring, with a hammer, can opener, pliers, screwdriver, wirecutter, bottle opener – and a knife.
(W) 1.4" x (D) 0.8" x (H) 5.1"
Stained wood and stainless steel
Hammer, can opener, pliers, screwdriver, wire-cutter, bottle opener, knife