Mix Up C-Rings to Max Up Your Performance! Wear single double or triple c-rings on the penis to increase erection strength and performance. Wear single or double c-rings on the shaft for added partner pleasure. Wear a single ring around testicles as a ball stretcher ball squeezer or to delay and strengthen climaxes. This ring uses a formula that adds the perfect squeeze for most users. Extend Activities & Intensify Climaxes Powerful Pleasure Non-Pinching Comfort.