Good vibes only. The patented Vac-U Plug is the foundation of the Vac-U-Lock system of interchangeable attachments, harnesses, and accessories, and it just got a major upgrade. Featuring 7 vibrating functions and a wireless remote, the Vibrating Plug turns any attachment into a powerful vibrator for an even more stimulating, satisfying Vac-U-Lock experience. Vac-U-Lock is the worldb s first and only patented pleasure system, revolutionizing harness play and offering endless possibilities to mix and match within your collection to build the perfect toy.