[shoturtle]

Get a titanium fold up to put in your bc pocket, which I use. No need to fear that the knife will fall out of the holder. Or a leg mount one. They will run you between 30=50 dollars

Titanium Knife, Dive Knives, ScubaToys, Titanium Knife
Oceanic Titanium Knife, Dir & Tech-Cutting Devices, Oceanic, Oceanic Titanium Knife
Blue Reef Titanium Folding Knife from LeisurePro.com

If you want a BC knife
Buy Scuba titanium bc knife KN-100TI with reviews at scuba.com
Blue Reef 3" Mini Titanium BC Knife from LeisurePro.com