This is a penis head masturbator that contains innumerable soft sensory nubs that stimulate the glans and part of your cock whilst it is rotated by the 3 speed left/right rotator. Make sure that you add plenty of lubricant in order to make the sucking motion more realistic. The nubbed sleeve can also be removed for easy cleaning. This will be one sensory massage that is bound to get your head in a spin! Length of the rotation cylinder: 2.75 inches. Available in Black. 3 AA batteries included.