Arcwave brings you the Pow, an easy to use manual stroker with creative features that ensure every experience is mind-blowing! The textured CleanTech hygienic silicone sleeve lines the inner channel for a supple and arousing feeling. The inner channel tightens as you stroke and the Suction Control air pressure release valve creates powerful pleasing suction and can be released anytime to meet your comfort needs. Dual entry allows you to choose your experience and the flexible fit accommodates most sizes.