i had a set of the old Crager Super Trick rims polished by a boat shop vendor, they ask me to let them do that for advertisement in SO CA back in the late 1970s.
Later on several years later Don Prudhome asked me at the Winternationals who had chromed my wheels, when I told him they were not chrome, they were polish he was surprise.
He had some of his done later by a different shop: up: