Columbia River Knife & Tool Provoke, 2.41 Folding Knife w/Kinematic Lock, D2 Steel, Black Titanium Nitride Finish, Plain Edge, 6061 Aluminum Handle 4040 Serve. Protect. The Provoke(TM) morphing karambit knife draws on ancient design but it's hiding a futuristic secret. The first knife ever to feature Kinematic(TM) technology" it stays neatly tucked away in transit and comes to life when there's trouble afoot.