Mister B Rubber Lockable Cock And Ball Prison If you're into rubber and chastity play then Mister B Rubber Lockable Cock & Ball Prison is a great addition to your toy cabinet. The cock and ball prison allows the genitals to be totally enclosed and confined, but still vulnerable to stimulation by touch. Made of heavy grade black natural rubber latex, the bag of this Mister B Rubber Lockable Cock & Ball Prison can be closed and consequently pad locked with a small belt, ensuring that the wearer cannot easily take it off. One size fits (almost) all. All eyelets and rivets enforced with a non elastic fibre before they're put in so you cannot pull them out. As with all natural latex rubber products: do not combine with oil based lubricants. Supplied with pad lock.