The Body Extensions Hollow Strap On System by Doc Johnson a superior quality and includes an elastic and premium silicone harness designed for maximum comfort and durability and one silicone attachment crafted to maximize the sexual pleasure and empowerment of every user. Great for a unisex collection. Made to stimulate the body and allow penetration play regardless of the type or function of the wearers anatomy. Each product in the Body Extensions collection includes detailed instructions for care and usage.