The meeting of science fiction and knife tech in an excellently crafted blade, the Viper OTF looks like a design from the future. The tanto blade is made of AUS-8 high carbon stainless steel with a black finish and partially serrated edge. The futuristic handle is crafted from black aluminum so it's lightweight and easy to manage. To open the blade, switch off the safety lock and press the sliding release forward. The knife opens fast and smoothly, and the lock up is tight. To close the blade, push the small blade release button forward, the slide the blade back with the bottom actuator until it locks into place. The pommel of this knife features a small glass breaker tip and a removable, tip-down carry pocket clip.