I can only cum in chastity belts that are too big, so it sounds like you need to go smaller. I currently wear a metal one that prevents any...
(after 4 weeks locked in chastity, no release) "I think its time you started to experiment with Viagra"
In my experience with this device, both the ring size and spacer have an effect on security and comfort. It is difficult to know in your case...
The best way to give up a habit