Using these Arai Iridium Shields for the CK - 6 Series is easy. Just align the shield with the CK - 6 Series and securely attach it. When in use, avoid scratching the shield with sharp objects as it may affect visibility. For maintenance, clean the shield regularly with a soft, damp cloth. Don't use harsh chemicals as they can damage the iridium coating. Store the shield in a dry place when not in use to keep it in good condition.