The Feel Stroker Extra Tight Butt in "mid brown" color was designed with the most realistic sensations in mind. The skin-like material and internal textured tunnel gives users the most pleasurable experiences.The Feel Stroker Extra Tight Butt was designed to be used with the Keon by Kiiroo, Kiiroo's interactive automatic masturbator and/or PowerBlow by Kiiroo automatic suction device.