Endurance Butterfly Clamps Link Chain. Endurance nipple clamps with link chain offer maximum pressure to have an intense and localized experience. These endurance nipple clamps have a sturdy, durable link chain. Non-piercing body jewellery. For newcomers book every fifteen minutes to make sure bruising to delicate tissue doesn't happen. To show in the volume make use of a nipple sensitizers. Spartacus A love for Quality Catalog page 11. New images added November 7, 2012