RCA Non-Bonded Safety Glass removal?

[ohohyodafarted]

Kevin,
Is the upper back edge of the trim just sitting on top of the metal retainer, or is the back edge of the trim 'Hooked" into that tab which is sticking out of the glass retainer?

If it is NOT hooked into the little tab, what do you suppose the purpose of that tab is? That is the part that confuses me. I gather that the brass trim is Not hooked into the little tab, but just sort of snaps over the glass retainer assembly in sort of a "force fit"??????