I carry one on my keychain. It's my back-up to my back-up knife. /ubbthreads/images/graemlins/smile.gif
If you are looking for a small knife with a clip, the SS Cricket is nice, and the Dragonfly is also a nice little Spyderco. If you can find one, the Toad is a great "little" Spyderco.
Blades