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). 12.75â  /32.5 cm (chain). 2.25â  /5.75 cm (clamp).