Vac U Lock Knuckle Up

Taking hands-on play to the next level, this feisty Knuckle Up accessory will delight you with its novelty, functionality, and undeniable cool factor. The Knuckle Up accessory is compatible with the full range of Vac-U-Lock attachments, featuring one-size-fits-all knuckle rings positioned below a standard Vac-U-Lock plug. You won't believe how versatile this toy is! It's ideal for both solo sessions and partner play! What are you waiting for? Experience endless pleasurable possibilities with the most user-friendly sex toy system available.