Peanut butter or toothpaste may work. Toothpaste is best for painted areas. Peanut butter is used for chrome areas. Or you could use WD-40. If you use WD-40 wipe it off fast so it does not slid down into small cracks.
You put the club in a rubber vice and tighten. Then get a Stanley knife with a hooked blade, put it at the bottom of the grip and pull the knife towards the butt end of the club. You then use some...