Edge Retention / Toughness Test -- HAP-40 vs. CPM M4: Both Amazing! Published 2015-12-27 Download video MP4 360p Recommendations 33:00 Spyderco Gayle Bradley Folder 2 Review: Interesting Second Effort 18:49 Initial Review -- Spyderco Delica 4 HAP-40: Budget VooDoo Awesomeness! 07:04 This wacky sharpening method makes this M4 even crazier 12:06 Knife Sharpening - CPM M4 29:02 And the Winner is... The Edgepro Apex: Initial Revew... Outstanding! 04:12 Spyderco Edge Stability Death Match | M4 versus K390 24:50 Top 5 Most Carried Knives of 2015 15:52 Sharpening Hap40 Chef Knife 11:27 Chris Reeve Sebenza 21 VS Cold Steel Code 4 12:56 Steel toughness testing - 4V, M4, and S90V 11:28 Talking Steel: CPM-M4 08:40 Fashion or Function? Mirror Polished Edge on M4 Steel Comparison 05:26 M4 vs K390 - Toothy Edge Steel Battle for the Ages! 06:50 Beyond Hair Whittling: What's Next? 26:43 K390 or M4? BATTLE TO THE DEATH!!! 12:57 How I make a slip joint pocket knife - part 10 28:15 Presto Gun Blue Pen: Essential Tool for Framelocks and Firearms 19:52 Inexpensive vs Cheap: Examining (and taking apart) an Ontario RAT 2 and a Gas Station Knife 16:11 The Spyderco Gayle Bradley 2 Knife Review Similar videos 04:42 Edge retention Test: CPM M4 - Second Knife Benchmade Contego 09:58 Spyderco Hap 40 Endura vs V-Toku2 Stretch edge retention testing, known vs unknown so let's find out 16:55 Spyderco Hap 40, Rex45 and M4 head to head edge retention testing. Let's see how these 3 slug it out 08:30 HAP40 Edge Retention Test and Unleashed 05:04 HAP40 vs. SuperBlue - edge retention comparison 05:02 Edge Retention Test! HAP40 - A Japanese Super Steel - Spyderco Manbug 04:36 Edge Retention Unleashed: CPM - M4 03:41 CPM REX 45 | Edge Toughness 00:26 4V versus M4 06:42 Spyderco Endura 4 - HAP40 sprint run. HAP40 vs. M4 12:35 The Spyderco Pakkawood/HAP40 Delica and Endura Pocketknives: A Quick Shabazz Review 00:30 Blur M4, Navy Blue 04:55 Edge Retention Test! M4 Steel - Spyderco Mantra 1 09:59 CPM M4 Prototype Carbex Edge vs Death Rope - Spyderco Military Knife Test 03:44 Edge testing CPM-S110V 05:16 S110V unleashed (Vs M4 and K390) 04:18 CPM M4 It's not hard... to understand. More results