Worste product

Worste product ever . Its my first pair of rayban glasses and i looked after them so nicely as they cost a arm and a leg but after a year the left arm is loose and its not even in line of the other arm so i took my glasses in from where i got them to ask them to please tighten them but i was told they cant be tightened they dont have *****s ill have to order a new one so now i must spend another R2000 just for a frame i think not