Clear side shields for the Gargoyles Classic and 85's. Installation: Hold the glasses firmly by the ear peice and position the circular hole on the side shied above the Gargoyles logo. Press down on the side shieldso the logo appears through the hole. While pressing down firmly, rotate the side shiled downwards until it snaps into place. Removal: Hold glasses firmly by earpiece and lens. With thumb, gently puch the clip on the back of the side shield away from the earpiece. Rotate the side shield upwards while pressing up to release it from the earpiece. Always use the protective case to store your side shields when not in use.