This is an instructional video on how to use a basic Goniometer, like my Leading Edge goniometer or Gritomatic's Lite & Pro versions to measure the edge angle and primary grind on a knife.
www.gritomatic.com
Contents
0:03 - Introduction
0:27 - Basic Description
0:34 - WARNING
0:39 - Polished Edge - Primary Grind and Edge Angles
1:29 - Coarse Edge
2:22 - Unevenly Sharpened Factory Edge
3:14 - Convex Sharpened Edge