The   Prisoner Cock Cage Chastity Device offers the best of comfort and security.   The rings consist of three interlocking pieces that fit together. The two   guide pins hold the top pieces together. The oval locking pin goes through   the middle recessed hole connecting the cage portion to the ring. Assorted   size rings and spacers included in each package allow you to customize fit.   Restricts you from touching your genitals for sexual pleasure and gives the   keyholder control over the sexual fulfillment.