Ensuring an absolutely perfect grip on your favorite Vac-U-Lock dildo, plug or probe, the Knuckle Up is completely unique, extra user friendly, and a truly great addition to the Vac-U-Lock family.
Taking the shape of classic brass knuckles, the firm ABS plastic grip fits through the fingers and provides a solid handle for ultra precise maneuvers once a compatible toy has been attached to the universal plug up top.
Simply slide your penetrator of choice on, and enjoy.
Fits most hands.
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