Vac-U-Lock Knuckle Up
Taking hands-on play to the next level, this feisty Vac-U-Lock Knuckle Up accessory will delight and amaze you with its novelty, functionality, and its undeniable cool factor. The Knuckle Up accessory is compatible with the entire selection of Vac U Lock attachments, with its one size fits all knuckle rings sitting below a standard Vac U Lock plug. You wont believe how versatile this toy is! Its perfect for both masturbation and playing with a partner! What are you waiting for?! Experience endless pleasurable possibilities with the most user friendly sex toy system in the world.