A clover clamp is a type of nipple clamp that's flat and measures about 2-4 inches in diameter. These clamps are typically attached to a chain. They are designed to clamp harder in response to tension from the chain.
A clover clamp may also be known as a butterfly clamp.
More About Clover Clamp
The pressure from a tight clover clamp can be very intense. A slight pull on the chain makes the clamp's jaws tighten. It can provide a high level of pain. It is best used by advanced practitioners. It is a way to tease and keep a person in place. Prolonged use of a clover clamp can cause nipple irritation. It is ideal to remove the clamp before too much pain begins.