I use a nice, heavy piece of flat bar stock with two holes drilled in it the same width apart as the screw holes on the clutch (for the flat plate). Then I just bolt the bar stock to the clutch-being sure to get it good and tight. I have another homemade tool for pulling flywheels, so I put that on the flywheel end and lock it in the vise. Then it is just a matter of using the bar stock on the clutch to turn it loose. The bar stock is about 16" long, and I've never had one that I couldn't get loose just with it. If you needed, you could throw a pipe on the end for more leverage.