This extremely unique skull and crossbones-sculpted cockring or testicle strap is made of amazing, color-changing Jel-Lee rubber. Inspired by the high seas, this one-of-a-kind, body heat activated material turns different shades of blue the hotter the user gets! The texture of the Jel-Lee material is firm, yet silky and pliable, so this plaything feels as cool as it looks. A multi-speed Micro Mini Vibe fits into the Jolly Roger to sends powerful waves of pleasure up and down your shipâ??s mast. Whether youâ??re sailing solo or with your first mate, this toy is a must have!