BE anything you want to be. The Body Extensions Hollow Strap-On System by Doc Johnson is a unisex collection of harnesses and hollow silicone attachments designed to stimulate the body and allow penetration play regardless of the type or function of the wearerb s anatomy. This high-quality 4-piece set includes an adjustable elastic and silicone harness with a built-in 10-function vibrator and three premium silicone attachments crafted to maximize the sexual pleasure and empowerment of every user. Controlled via wireless remote or surface buttons, Body Extensions vibrating harnesses are fully rechargeable with the included USB cable. Each product in the Body Extensions collection includes detailed instructions for care and usage.