This adjustable sounding cage will hold your cock upright as the hollow urethral insert slides deep inside. The floating sound is capped with a ball, and features a hollow core for liquid to pass through. Each ring is hinged for a better fit, and an Allen wrench is included so that you can clamp the insert in place once you have reached your desired depth. Measurements: Cage: 6 inches in total length, rings measure 1.25, 1.65, and 1.85 inches in diameter; Sound: 5.5 inches in total length, 4.6 insertable, 0.3 inches in diameter Material: Stainless steel