We use it almost all the time. It works good but not perfect. Be sure to clean the surface to be waxed very good. I usually have Jr put it on the razors and knives. He wears latex gloves to be sure he doesn't leave shin oils on the metal before waxing. First he wipes the metal with 91% alcohol to remove oils and dirt. Then he puts a coat of Tuf-Glide on and waits for it to dry before wiping off the residue, then he applies three coats of Ren Wax. Ya know, wax on, wax off, wax on...
