Butterfly Effect series has new release of the clicks (metal nose pad) frame. The frame design has the profound feeling and will be able to make the strong image on face. The thick outer part would make the chin and sharp face to have the small facial effect. The hinge part (The metal part to connect front and side) has high flexibility [S hinges] to make the frame lighter while wearing it, also brings out the fitness. It will make the durable shape and give the fitness during wearing the glasses.