Screaming O SwingO Black Cock Ring. The SwingO is really a True Silicone cock ring having a contoured sling designed for ultimate perineum massage. Having a solid silicone ball at its tip, the SwingO positions to suit directly against his perineum with only enough pressure to boost his sexual performance in each and every sex position. Made from body safe silicone, the SwingO stretches to feel firm and comfortable round the penis and testicles and could be easily adjusted for optimal results. Features True Silicone silicone ring with perineum massage. Solid silicone ball for firm pressure. Stretchy silicone ring fits firm around penis and testicle. More information latex free, phthalate free. One size fits most. Multiple-use. Additional information Country of Origin China. Retail unit pack type blister card. Color Black. Material True Silicone. Product type cock ring with ball sling. 17