Columbia River Knife & Tool PROVOKE Folding Knife, Black, Plain Edge, 2.47 Blade, 1.4116 Stainless Steel, Blue Handle 4041B The Provoke Blue Metallic morphing karambit knife draws on ancient design but it's hiding a futuristic secret. The first knife ever to feature Kinematic technology" it stays neatly tucked away in transit and comes to life when there's trouble afoot. Now built with Grivory" a strong" lightweight" engineered thermoplastic" it's more lightweight" adept" and crafted to go anywhere.