Most people think of ED or cock rings as a sex toy which can help men to have quality fun. However, the Best ED Tension Ring from some of the most noted brands can be more than a sex toy. These rings can help men effectively manage ED, the cock rings are simple manual tools. You must slide the ring around the penis girth from the tip to the base. Some men put these rings around their testicles for a firmer fit. Operationally these rings sit at the penis base and prevent the backflow of blood from the penis. Since the penis area is rich in blood flow, you can experience a firm erection. As the blood does flow out from your penis area, your erection can stay for a longer time.