Charm them with your light-up nipple clamps! These black, tweezer nipple clamps are perfect for beginners and advanced users. Combine them with the light-up LED discs for an awesome light-show for your lover!     The tweezers are fully adjustable; simply use the ring to slide upwards towards the tips for more pressure and away from the tips for less. The tips are coated in vinyl to protect the skin from abrasion and to improve comfort during wear. The LED discs are battery operated by 4 CR1220 batteries (not included) and cycle through 3 different light patterns!       Measurements : Overall length: 4.5 inches, Clamps open up to 0.5 inches wide      Materials : Silicone, ABS plastic, metal, vinyl       Color : Black silicone circle, LED lights: green, blue, red       Note : 4 CR1220 batteries (included)