My Mistress (wife) supprised me with the seven ring gates of hell. I love suprises. She made me put it on right away. It took me a little time to figure out how to put it on, (balls first then cock). She loved the way it felt and I stayed hard longer. but it is not a real chastity device as the wearer can take it off when he pleases.
All in all it has inproved my sex life because it was something she picked out and I love that, and ever since then she has really taken to the control thing.