Drag knives

Continuing the discussion from Drag Knife using the 360 swivle knife on inventables site:
I wold like more information about how you created/modded for the drag knife.

If purchase another machine, I would very much like to know about what other steps will be necessary to get this working.

AND, quite importantly, will it cut leather?

Continuing the discussion from Drag Knife using the 360 swivle knife on inventables site: