Originally Posted by CooperMan
Andy, if you want to try an almost zero cost cure first...undo and remove the mirror and stem, then slip an O ring over the arm and ping the gap open to let the O ring into the gap, 5 min job and no disturbance of the base or fixings

Hi both, I have this problem too and I have been waiting for new bases to come into Librands. Question to Cooperman: Do you mean a rubber O ring? Please can you clarify what you mean by "ping" the gap open? Thanks