Making an OBSIDIAN Knife!
15:39
Making a CUSTOM KNIFE for Guga!
51:33
Making A Stone Knife From Start To Finish
14:01
Can You Melt Obsidian and Cast a Sword?
11:45
Sharpest Knife In the World: Tested and Proven
24:39
Metal Bar into a Clip Point Knife!
29:57
Making a bismuth knife to undo an injustice
12:44
Does Obsidian Really Form the Sharpest Edge?
10:05