Shaping the bevel on a bench grinder

I tried to shape a knife bevel on a bench grinder, but I guess I lack the skill, the jigs, or the knowhow. Anyway, it was a good learning experience.

https://www.youtube.com/watch?v=18a2n_TxDE8

http://urlgo2.com/shaping-the-bevel-on-a-bench-grinder/