I know there are many versions of chastity games out there, where getting unlocked is based on chance (e.g. the roll of a die, etc.) once per day, week, or whatever the "sentence" is.

I had a dream where a Magic 8-ball was used to determine if the chastity device was removed. The key holder asks ...

I had a similar fantasy to this once, but it was more of a contest for the women doing the teasing than the guys. It was a bit more intricate and a complicated (as my fantasies sometimes get), but the gist of it was that there were "teams" made up of a guy tied down naked being teased by one or more ...

Hi... I registered because I wanted to reply to this thread. :-D

I've thought about this puzzle as well and here's an idea I've come up with:

Use mutiple safes or metal boxes that use keys.
Lock the key to the chastity device in Box A at one location.
Lock the key to Box A in Box B at another ...