Cherry Keeper Ring - 49mm DoubleThis is a circular ergonomic double base ring for the Cherry Keeper Chastity Cage. Choose a circular ring of a given size to have a balance between ring size and gap between cage and 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. Note: A double ring will make the effective length of any cage between 5mm and 6mm longer. If your size is not