Trip, what I do when changing open end grips is Take a wire coat hanger, cut the long end, the bottom of the triangle and cut a piece about 10 inches long. Chuck that into your drill. Round off the tip with some sandpaper or grinder. Turn your drill on slow. Now work that rotating wire under your grip. It'll spin around the grip slowly. Don't get aggressive. Let it work. Then start working the grip off. Good luck.