Brutus Stealth Chastity Cage ClearLock Him Up. The Brutus Stealth Cock Cage is a male chastity cage made of durable polycarbonate. It can be perfectly adjusted to your personal size and is therefore very suitable for long term wear. The Keyholder decides whether you dare to hand over the key. The four different sizes of cock rings are ergonomically designed and therefore very comfortable. Choose the right size either 35, 40, 45 or 50 mm diameter depending on how big the wearer is