Armordillo In-Channel Window Visors. Our easy stick on window visors install quickly and easily and with no drilling required its an easy DIY item you can do in less than 15 minutes. Keep the fresh air throughout your vehicle even if its pouring outside. It will help reduce annoying wind noise and keep your vehicle cooler in extreme heat. Our window visors will give your vehicle a new look, while providing protection from heat, cold, rain, or shine.