Intensify your erection with this simple yet highly effective cock ring that firmly encircles the base of the penis to engorge the shaft by limiting blood flow. Featuring an inside diameter of 40 mm and a depth of 17 mm this cock ring is made from aluminum that feels firm and secure around the shaft while remaining comfortable. This cock ring can be discreetly worn underneath clothes while on a hot date prior to the sexy action and it seamlessly enhances the experience without getting in the way.