Give ''precious metals'' a whole new meaning with these heavy weight nipple clamps. Cast in high quality steel and hand-polished to perfection. Each Metal Worx masterpiece comes in a discreet ''storage case'' you can use to store your toy after use. ??? High-quality polished steel ??? Barrel adjusts for comfort ??? Adjustable weight for extra pleasure ??? Soft rubber liners ??? Eco-friendly and nickel-free