Search:

There is a rod (actually 2) that the drum sits on. The big pulley in the photo drives that rod which has soft pv tubing on it , thus driving the drum, friction drive.

Decided to try this to see how it would work. Here is the first attempt.
I took a High Class razor Co. 6/8 that was suffering from scale rot.
I took the scales off and put it in the modified rock...