Hey Leonard,

It's easy to make one (adjustable too). Pick up a couple packages of utility (single edged) blades...you know...like the old fashioned razor blades with the hole through the center. You'll need an appropriately sized long bolt (3") and number of washers and a fitting nut.

Simply slide a blade on the bolt...add a couple washers (you choose thickness)...another blade...more washers...blade...washers...blade...washers...blad e then the nut. I think you see where this is going. You can fashion a handle for the rig out of wood or metal if you're industrious. Works great!!!

Henry