Here is the lock, it is a very special lock, very difficult to break it, lock your chastity tube, don't worry about the keys. Don't worry about your toilet, you can piss with this chastity tube but you have to sit down on the toilet *giggle*
The keys to this special lock will be on a safe place, don't worry, they will not disappear.
*CLICK*
Now you are a locked up slave, a slave wearing a steelworxx metal chastity tube, hahahahaha