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.
This way he keeps his focus on what really matters. He can only imagine, what he could do if his dick would not be locked away all the time. But actually this position shows him why he's constantly locked at the same time, because he could barely stay i
