There are two types of nose supports, one is fixed type, that is, non-metallic adhesive type; One type is stipule active type. The latter type of nose support is applied to the metal frame, and now it is also available on some high-grade plate glasses. The movable support is fixed by welding the support stem. We will only introduce the latter type of nose support as an example. This type of nose support is the most commonly used type, which is more comfortable than the previous one

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.