The penis ring, also known as the cock ring, is one of the best Retractile Testicle Devices. As the product name suggests, this is a simple ring with an open end. Slip on the ring from the penis tip and move it down the penis shaft to the penis base, where the ring must settle.
You can rest the ring at the base or slip it over the scrotum bags. This device can help bring back the testicles to their natural place. Hence, this is one of the most effective devices to treat retractile devices.