RENDS Vorze A10 Cyclone Narrow InsertThe A10 Cyclone SAs exclusive inner sleeves are all made out of high quality material that feels just like real skin. Its tight, textured interior creates realistic feelings when combined with lubricant. The rotation will bring out the pleasurable friction to the fullest. Only compatible with the Vorse A10 Cyclone SA but its easy to insert and remove for cleaning, just remove the inner case from the main unit and firmly set it with the 6 pins. Insert