Using the Ams Frame Guard Extra Fractal Skull is easy. First, clean the area on your bike frame where you want to apply the guard. Then, carefully peel off the backing of the guard and stick it on the frame. You can reposition it if needed during the application. When it comes to maintenance, just use a mild soap and water to clean it. Avoid using harsh chemicals as they may damage the material. Also, be careful when removing the guard; if you need to replace it, peel it off gently to prevent any damage to the bike frame.