Wearing a male chastity belt and keyholding.

I don't profess Islam myself, but I was curious to know any quotes from the Qur'an and Ahadith that might shed some light on what Islam teaches about wearing a male chastity belt or being a keyholder.

For example, a man might choose to lock himself into a male chastity belt and give the key to his wife to hold either because he doesn't trust himself or as an expression of his trust in her, or a combination of the two, or for other reasons relating more to erotic play.
Alternatively, he might give the key to a professional keyholding service or to a friend or family member (far less likely due to potential embarrassment) simply because he does not trust himself.

In any of these cases, assuming that the man chooses of his own initiative and free will to lock himself into a male chastity belt and give the key to a keyholder, would there be any prohibition or discouragement against this in the Qur'an or the Ahadith?