LOVINGO offers you  this pair of nipple clamps from the Guilty Pleasure line is made of metal.

The clamps are connected to each other by a metal chain.

The pressure on the nipples is adjustable thanks to the sliding system along the rod.

The metal clamps have PVC tips on the ends and handles.

The pressure on the nipples can’t  be  adjusted. The metal chain that connects the clamps adds extra weight.

They are ideal for your pleasure and pain punishment games and easy to use because of its easy tightening and loosening.