This feisty Knuckle Up attachment will amuse and astonish you with its uniqueness, usefulness, and unmistakable cool factor, taking hands-on play to the next level. With its one-size-fits-all knuckle rings located below a regular Vac U Lock plug, the Knuckle Up accessory is compatible with the whole range of Vac U Lock attachments. You’ll be surprised at how flexible this toy is! It’s ideal for both masturbation and playing with a friend! So, what exactly are you waiting for?! With the world’s most user-friendly sex toy system, you’ll have unlimited sensual possibilities.
Hot soapy water and toy cleaner
Use with any Vac-U-Lock attachment