Doc Johnson Optimale C-Ring 45mm Slate

Product Information

Yuan J, Hoang A, Romero C, et al. Vacuum therapy in erectile dysfunction—science and clinical evidence. Int J Impot Res. 2010;22:211-9. doi:10.1038/ijir.2010.4

How to Use a Cock Ring, Just in Case You Were Wondering

The inside diameter of the metal C-ring for external pressure is accepted as reference dimension. The groove inside diameter is somewhat smaller than the ring inside diameter. Therefore the ring inside diameter has to be somewhat bigger than the groove inside diameter.Outside diameter of the ring: The outside diameter of the ring is freely selectable from the mentioned minimum dimension ODR min. and is at the same time the corresponding dimension to the outside diameter of the groove.

17 Best Cock Rings for Extra Stimulation, According to - SELF

An ED ring is a device that may suit individuals who are unable to maintain an erection. They place the ring at the base of their penis so that it adds pressure and cause the blood vessels to tighten. Seals for applications in buildings and construction, aerospace, automotive, agriculture, renewable energy and water infrastructure.

Sealing specification and order code key

The FDA reports that using an ED ring simultaneously as a vacuum erection device is effective and safe. How do people use ED tension rings?

C-Seals | Metal Sealing | Omniseal Solutions™ Metal C-Seals | Metal Sealing | Omniseal Solutions™

We define this as the ability to continue to seal as the flanges separate under pressure. This function is related to free height, material type, heat treatment and diameter. All things being equal, the larger the free height the more resilient the seal. More resilient seals allows for some tolerance on flanges which are out of flat and parallel. Material Types, Platings and Coatings ED rings usually consist of rubber, plastic, or silicone. Some are metal, but the reduced flexibility can increase the risk of complications, so a person should avoid metal rings. Penile implants: Having penile implant surgery may help some people with ED, and experts consider it a very successful surgical treatment for ED. Putting an ED ring on the penis increases pressure, which causes the blood vessels to tighten, slowing blood flow away from the penis. This helps the penis stay erect for longer.

The brand makes this tension ring from a latex-free gel. It has bumps that apply pressure to veins in the penis and a notch that the company claims aids ejaculation.