Had a bit of boredom, and i tuned some plywood junk in to this simple, yet obviously effective gadget.
With this thingy, i can make wet molded small pouches for Victorinox "swiss army" knives. I tried it with a leftover piece of some scratched veg tanned leather, with 2mm thickness and i like the results already. Just a bit of sanding here and there to leave less marks on the leather and thats about what ill do anymore.
I can adjust this to suit snugly for various Vics as the inner mold slides up and down with aid of and small screw inder the lower mainpiece, but just as well, i can use 8mm steel washers, dropped over the oak sticks, that keep the inner piece in its place, to adjust the sheaths inner space.
Yep, nothing fancy, but works.