Cal Exotics First Time Fetish Nipple Teasers... A High Quality Collection of Playful Fetish Gear Designed for First Time or Experienced Users. Fully adjustable nipple clamps. Soft. comfortable pads. Nickel-Free Iron (chain. clamps. screws) Phthalate-Free PVC (tips). 12.75'/32.5 cm (chain). 2.25'/5.75 cm (clamp).