While it's not a knife, the GiantMouse Caplifter / Prybar tool is one sharp design!

Perfect for use as a key fob by adding a split ring, so you can hang your keys in your pocket using the integrated side clip. And when it comes time to pop the cap off of a cold drink, it'll be your go to opener!

Specs:
Material:  Titanium
Thickness:  3/16" (4.8mm)
Length:  3.07" (78mm)
Width:  1.3" (33mm)
Weight:  .9oz (25.5g)