Optimale C-Rings is a set of 3 silicone rings. You have a choice of 1.6, 1.8, and 2 inch diameter. You may choose to just wear on on your shaft. Or, you may choose to wear one around the testes and over the shaft. You can wear 2 at the same time as well.
These rings can increase your longevity. And they can also give you a stronger look.
Optimale C-Rings is available in thick as well as thin.