Alan Hoyle wrote:
::
:: The only issue I have with it is that some styles of glasses have
:: temples that are incompatible with the mounting mechanism. if you
:: have round temples, it tends to rotate our of position.

Alan, remove the little rubber covers supplied with the mirror and replace
them with the "heat shrink" tubing. I did this and they helped the fit with
my Rideon sun glasses which have a triangular temple.

Pat in TX