The hook is on the ear and can be moved. It is connected with the pile head and plays the role of fixing the mirror ring. A joint connecting the pile head and the mirror foot. Tighten the screws to fasten the locking blocks on both sides of the opening of the mirror ring, so as to fix the role of the lens.

Glasses frame is an important part of glasses, which mainly plays the role of supporting glasses. Glasses frame with beautiful appearance can also play the role of beauty. The materials mainly include metal, plastic or resin, natural materials, etc. By style, it can be divided into full-frame, half-frame, frameless and other types.