PRETTY LOVE BI-014861 Make your nipples tingle with joy with these vibrating ＆ electro-stimulation nipple clamps. Enjoy screaming sensations with these adjustable vibrating nipple clamps. Powerful multi-speed functions deliver big thrills to take you to the edge and beyond. This stimulation set provides all you need for lasting nipple pleasure and so much more besides. Simply connect the power unit and the nipple clamps together, and use it to send varying degrees of electric and vibrating tingles and throbs into your sensitive nerve endings.