Audio erotica is in play when these devious little bells are ringing. Your plaything will look and sound tantalizing when these clamps are placed just so. These tweezer style nipple clamps have a bell attached at each end that makes a low pitched ringing sound when in motion. The vinyl coated ends provide comfort and grip while the sliding ring allows for varying amounts of pressure. Ideal for beginners and clamp aficionados alike. Measurements: 4 inches in height, opens to a maximum width of 0.5 inches. Material: Metal, vinyl. Color: Silver