ElectraStim Uni Polar Wartenberg PinwheelElectraStim's Wartenberg Wheel might look a little intimidating, but its the ideal tool to help you explore sensory play with your partner. The wheel is detailed with small, sharp points that induce pleasurable goose bumps when theyre gently rolled over the skin. Be soft and teasing with your movements and youll trigger erotic shivers that can increase your lovers physical sensitivity and improve their sensory response. A single input in the base