The teasing clamp has adjustable tension to stimulate anywhere on your body for playful teasing. As the tension tightens, the tingles intensify with every turn of the dial for the ultimate in nipple stimulation toys. With the teasing clamp stimulation and increased blood circulation, you can look forward to amplifying nipple sensitivity and intensify overall arousal. These easy-to-use nipple teasers are great for him or her. The two adjustable clamps are made from nickel-free iron with silicone cote, an nickel-free iron chain and Silica crystals.