Zero Tolerance Vortex Stroker, is the stroker that tightens in the middle right where you need it to set you over the edges! This toys ribbed interior detail will give you the feeling of popping into multiple pockets of bliss. Combined with the middle squeeze band, this sensation will have your inner beast howling in pleasure. Let your imagination run wild with the life-like grip of the center pleasure ring that squeezes just like the real thing!