Twist, roll, left, right, back, forth... EXPLODE! The phenomenal Rolling Head Cup delivers impossibly exciting sensations, gripping you ever tighter in its wonderful lotion reservoir. Welcome to the Greatest Orgasm in the World! A sensual sensation like never before, made possible by adoption of a rolling head. With the adoption of a flexible body, a range of stimuli to the penis head is now possible with this onacup, including back-and-forth, right-and-left and rolling movements. You can also enjoy motions that you have never before experienced - a combination of rolling motions at the top and piston movements at the base of this TENGA Onacup. A new sensual sensation is also yours as you stimulate the sensitive head during and after ejaculation.