Steel toughness testing - 4V, M4, and S90V
11:18
Further Testing of 4V steel
13:28
K390 - The Best High Edge Retention Knife Steel?
27:56
My Top 5 Favorite Knife Steels & Why
12:06
Knife Sharpening - CPM M4
24:09
Was Rechte uns als Freiheit verkaufen | ZDF Magazin Royale
20:59
Manly Knives Wasp - review, sharpening and testing.
17:07
CPM S110V - carbide tear out in sharpening
8:00