Using these Sportsheets black neoprene sports bondage cuffs is a breeze. First, adjust the Velcro® closures to fit comfortably around your wrists or ankles. You can tighten or loosen them according to your preference. If you want to get creative, take two cuffs and combine them to make a collar. When using, always communicate with your partner to ensure everyone is comfortable and consents to the play. These cuffs are made with nickel - free metal and polypropylene, so they're safe to use. After each use, wipe them down with a soft, dry cloth to keep them clean. Avoid using harsh chemicals as they may damage the neoprene. Store them in a cool, dry place away from direct sunlight to maintain their quality over time. Have fun and enjoy your passionate moments with these cuffs!