Yeah, his name is Robin. He was locked when he was 13, but for excessive masturbation too. We never asked each other for specific details of why we were locked. At first, he was wearing HolyTrainer too, but his parents then switched him to metal CB6000s and unlike me, he was released way less often.
At first, he was surprised that someone actually wears it; he asked me a lot about the cage and being locked. After a while, we managed to convince my parents to give him my keys. Now, it's normal for us that I'm locked and he makes me orgasm just once in a while.
They caught me right while I was doing it (2-3x), and once they asked Jake. I only managed to pull out once, and it wasn't an easy thing to do. That said, it's near-impossible to put it back in. I always got spanked and I spent the first months (about 5 or 6) with no release at all because of it.
Once or twice a week. It helps me to get rid of full balls while giving no satisfaction and keeping me horny.