The E-Z Rider Rocker is a great Vac-U-Lock accessory toy that lets you attach your Vac-U-Lock dildo or vibe of choice to the inflatable vinyl ball so you can rock and grind your way to the ultimate orgasm. The ball iteslf inflates easily with a bike pump or a strong set of lungs, just make sure to position the plug inside the slot while it's soft. The sturdy construct