The low-profile, quick-release Thumbs Up Sheath stashes fixed blades away securely Lanyard attachment point on knife handle further safeguards against losing a blade in rough waters Lanyard attachment point doubles as a valve wrench for an oxygen tank The partially serrated edge covers all your cutting needs The reverse scallop serrations facilitate severing tough fibers NRS Titanium Pilot Knife - The NRS Titanium Pilot Knife is lightweight and a great safety tool to attach to your PFD. The unique sheath firmly locks the knife in place and only lets it go when you squeeze both sides of the release. The corrosion-resistant titanium blade makes it an ideal knife for your swiftwater rescue gear