“661400 Green Tube Clamps on ChainDo not be deceived by the green plastic looks of this set of nipple clamps; they’re quite nasty actually.Available at Mister B, this is a pair of tube clamps originating from the medical industry.Very easy to operate with even slippery fingers, these scissor-like clamps can be locked in two different settings: hard and even harder to handle.Ideal for intense genital play, not only on the nipples.”