30 days in chastity, and I can visibly SEE my slave's cock is twitching and throbbing, in his device. He is bound to the milking table with the venus 2000 male milking machine next to us. I unlock him and decide he must be milked. There is a catch. He must cum while trying with withstand me taking his air away with my latex gloves. I control him, his entire body and even the air he has access to.