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With the progress of the material science nowadays, spectacles have become much lighter and thinner. The spectacles might be turned over carelessly and so the convex side of the spectacles will touch other objects and cause some abrasion of the lenses. This solution is to add two glass legs to the front of the frame. Even if the glasses are carelessly turned over, the protruding legs will prevent the lenses from hitting the surface. By protecting the lenses from careless friction, this product extends the glasses' service life.