Using this Zamp Z19 adult helmet shield is easy. First, make sure your Zamp FS - 8 helmet is clean. Then, carefully attach the shield to the helmet following the provided instructions. When selecting a tint, think about your riding conditions. For bright days, a darker tint can reduce glare. Remember to keep the shield clean. Use a mild soap and water solution to wash it, and dry it with a soft cloth. Avoid using harsh chemicals as they can damage the shield. Store the shield in a cool, dry place when not in use to prevent scratches and warping.