Enjoy the sensations of fellatio without so much of a flick of the wrist. This cup for the R-1 A10 Cyclone has a special inlay that simulates the sensation of a swirling tongue for the ultimate in powered satisfaction. It is like a real thing missing only body warmth. Enjoy the advanced fellatio technique for as long as you like in the comfort of your own home. A completely unique stimulating mechanism for the A10 Cyclone Inner cup.The cylinder measures 2 inches wide and 3 inches long.