You can't really say that he's missing out due to his cage as he would slip out in the position anyway all the time. The cage is the simple and easy solution for him. He does not need to be ashamed of being a bad fuck anymore.
Just a picture that, when you see it at first, you think, wow nice window. But when you look a little harder and closer, you see my boyfriends dick in a cage🤩🤤