Well, many cadged boys also don't have a foreskin anymore. It makes it way easier to keep the scepter clean. But also it might happen that you don't feel anymore that much down there. Yes, it definitely is a problem when you can pull the scepter out of the cadge in a flaccid state, but it doesn't work with any cadge. The ones that are more open can't be escaped from that easily, because you can't get back in anymore. And if you wear the Vice, for example, you can't even pull it out. Yes, there are also some cadges with spikes you also can't get out of, like the iron virgin, but that's nothing else than brutal torture. And you can also belt a boy, of course