Originally Posted by DRONE
Claude, I'm not sure I understand your earlier post. Are you talking about taking a car tire front wheel and making it more forgiving by rounding off the shoulders? That would be a lot of work I think. Or do you have something more obscure (to me) in mind?
Drone...If you mean my reference to the picture I posted. That is an electric grooving iron to groove tires as Dave mentioned. The one pictured is the old style. Very simple to use and not that expensive. .