In buffing headlight rings, install a plywood circle in place of the glass lense and buff away. If you don't, the buffiing wheel will grab the headlight ring out of your hands and wad it up. As you pick up the residue headlight ring off of the floor, you may also find a couple of your missing fingers laying loose in the tangled headlight ring too. The radiator shell can also be a problem hanging onto also. Just use good practice working with the sharp edges and stay alert.