Andrew Demko has been a knife maker since the 80's and his passion for engineering and attention to detail got the attention of Cold Steel. Working with Cold Steel, Andrew designed some of the most innovative, strongest locking mechanisms in the industry. The legendary Tri-Ad Lock, the Scorpion Lock, and most recently, The Shark-Lock. Since the purchase of Cold Steel, Andrew has grown his business to include his brother John Demko. Demko Knives has been on the scene since 2021 and it's making waves with its production version of the famous AD20.