Axe sharpening clamp - video

Axe sharpening clamp. By Mega Hook. 2:03 video:

https://www.youtube.com/watch?v=sQeQFiEIr3g

I don't really have a need for an axe sharpener, but that clamp is so bad as* looking, I might try to make my own.
Thanks!

I've always just clamped the axe in a vice and sharpened it with a file no muss no fuss, but that is a cool clamp.