Cherry Keeper Ring - 51x42mm Wide Oval (~46.6mm)This is a wide oval ergonomic base ring for the Cherry Keeper Chastity Cage. Choose a wide oval ring of a properly fitting circumference to reduce the gap between the cage and the base ring. The profile of the ergonomic ring is such that it provides a little more downward angle and narrows the gap between the sides of the cage and ring. If your size is not listed here, message me, and I'll make it available for you! To have a complete product you must