Paired with Perfect Stroke technology, and the stroker sucks and strokes flaccid and erect penises. Perfect for erectile dysfunction, this stroker delivers mind -blowing orgasms while you're flaccid or erect. Love loops pull you deep into ti ght canal. Life-like entry with smooth full lips. Helix pocket and suction pearl s "swallow" and stimulate. For use with Zero Tolerance Perfect Stroker Bottle, n ot included. Free lube pack inside.