Knuckle Up Vac U Lock Attachment
This Knuckle Up accessory will surprise you with its novelty, functionality and its action to grant maximum pleasure. Knuckle Up is compatible with the entire selection of Vac-U-Lock Dildos and accessories, with its one-size-knuckle rings. Very versatile toy perfect for masturbation and to play with a partner.
Very easy to use and comfortable
Compatible with any Vac-U-Lock accessory
Phthalate-free material and body safe
Comfortable during use