Toolmaker's vise - video

Toolmaker's vise. By The Retired Apprentice. 18:59 video:

https://www.youtube.com/watch?v=gxY6qPO5Zas

I thought all apprentices, made these in their youth? Right of passage...Perhaps not plumbers?

Still got my (unbroken) toolmakers' clamps made in ~ 1971 at Southeast Community College, Milford NE.