Abstract: A device for enhancing the tumescence of an erection is disclosed. The device has a body shaped to conform to the dorsal surface of a wearer's penis. A latch is disposed on one end of the body and a loop of elastic material extends from the opposite end of the body. A wearer attaches the device by stretching the loop from the body, placing the body against his penis, inserting his testicles through the loop and engaging the loop with the latch. One portion of the loop encircles the shaft of the penis in front of the scrotum and a second encircles the penis and scrotum behind the scrotum. Elastic rebound of the loop applies compressive force to the penis and scrotum, modifying blood flow in the penis and increasing tumescence.