Chastity Belt Punishment

Even if the device is comfortable you might find when he gets really turned on it is extremely uncomfortable and painful for him, and while some women claim that's a fitting "punishment", that's not my kind of thing - this is a male chastity guide, not a guide for Dominatrixes! I want to deny his orgasm and have him wanting me like mad not in pain from constricted, sore and swollen testicles!