Bowling-Ball Vise Mount (or work mount - your choice!)

[Scotsman Hosie]

I built this as a wildly rough-n-ready proof-of-concept from stuff I had lying around my shop.

I wanted to see if the idea was worth pursuing.

https://vimeo.com/92948875

Well, it WAS worth pursuing, and I've gotten most all of the engineering done on a production version:

"...from stuff I had laying around my shop."

Super-robust design and build. I was wondering what you repurposed — to get that curved upper clamp steel liner, that actually grips the bowling ball?