K390 or M4? BATTLE TO THE DEATH!!!
8:18
The Power of K390: Steel Test Fine and Coarse Edge
23:06
Spyderco 10V PM2 vs K390 PM2 and Police, is the hype real or will K390 rise to victory?
31:33
What is the Best Hardness for MagnaCut Knives?
10:56
K390, Cruwear, Rex45, or Maxamet?? Which is my favorite and why?
49:05
TitaniumJustin is live!
7:04
This wacky sharpening method makes this M4 even crazier
23:06
What's the deal with MagnaCut? Interview with Larrin Thomas of Knife Steel Nerds!
9:18