Somebody bent the nearside door mirror back on itself today with the result that the black edging that surrounds the glass portion and attaches to the painted shell was cracked on the top edge. I assume the black edging can be clipped off in some way so I can glue the plastic and make a neat repair but after trying to prise it off it has remained stubbornly attached. Anyone know an easy way of getting the black edging off the door mirror outer shell? Gio