Here's what I made mine with - the blades are carpet cutting blades - I did add another mid size washer on the front on each side.

Couple of days later I finally found the double edge blades and made another one

I also made two smaller ones as I get bags of assorted pieces from Hairline and the smaller ones are easier

This is how I hold mine for cutting

I made my cutters because my daughter got paid to help clean a house and found a bunch of old furs in a drawer. The laldy told her to throw them out and she asked if she could have them and she brought them to me. Full length mink coat, a sable shoulder wrap and a rabbit vest which when I started tearing it down was nothing more than long rabbit strips and I still haven't finished breaking it down.

Here's the straight cut mink