For eternal erections and seismic stimulation, slide on the Optimale Vibrating Double C-Ring. Its twin silicone rings wrap snugly around shaft and balls to keep you harder than calculus for as long as your stamina allows. But the real magic happens with the textured vibrating bullets - one for each partner. Ladies can nestle the bullet right up on their love button for 10 patterns of bliss while their man experiences balls-tingling vibrations. His prostate isn't left out either thanks to the bullets' long reach. Waterproof and rechargeable, this power couple's toy keeps the good times rolling in and out of the bedroom. Marathon sex, anyone? The Vibrating Double C-Ring puts multiple O's for two well within reach.