This superb hand made stainless steel device keeps the penis under control and prevents masterbation But it does allow for an erection It is held in place with the solid stainless steel ring that fits behind the scrotum ball sack It is then locked onto the steel cage with a small padlock so the whole thing is fixed in place and Can Not be removed without the key It has a hole at the head end of the cage so urination is possible and thus enables the use of catheters or penis plugs for that added pleasure sensation A great way to keep him under control length from lock to head 14cm ring internal diameter 5cm