Sir Richard's Control Silicone Super Nut C Ring Black from Pipedream Products. Crafted with the power to influence, Control offers measured restriction for harder, stronger, longer erections and intense orgasms. Creating the world’s most comfortable cock ring demanded the best material available, extremely stretchy silicone with a non-pinching surface, providing even pressure and greater results. Transform your sensations. Reversible, wear on shaft or testicles. Mega stretch silicone 1st of its kind. Stretchiest Silicone available. Most hygienic, comfortable custom fit in the world. Wide surface. Non-pinching comfort adds stability and performance. Powerful pleasure. Extend activities and intensify climaxes. Maintain thicker, harder erections. Satisfying pleasure for both partners. Versatile design. Can be worn on shaft or testicles. 100% hygienic Silicone. Body safe, hypoallergenic, phthalate free. Caution: prolonged and frequent use of penis enhancing devices may cause ruptured blood vessels, hemorrhage, and hematoma formation. This device can also aggravate existing medical conditions such as peyronie’s disease, priapism, and urethral stricture. Penis enhancing devices should always be used with discretion.