Keycap Multi-Tool Gadget
You may call this a sophisticated keycap, but it’s a minimalistic tool that can be attached as a keychain without adding any significant bulk to your existing bunch of keys.
This keycap multi-tool gadget is actually eight tools in one; consisting of a small, medium and large flat screwdriver, a nail file, fingernail cleaner, bottle opener, wire cutter and tweezers!
Normally a gadgeteer will usually carry around a Swiss army knife to perform various common fix-it tasks, but this keycap multi-tool sure does take the throne in terms of portability and convenience. Available for $9.99 at ThinkGeek.