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.
She sent me to bed headlocked and strapped last night. Woke up at 4am fully hard, with 3/4 of my erection uncomfortably inverted inside my abdominal cavity. Normal hard length is just over 6”.