Chastity and orgasm denial discussion

I was curious if anyone has a solid suggestion for stopping unexpected erections. My first idea was a small PVC-like tube, but I worry that getting hard inside it would cause it to jam up, possibly sending me to the ER. lol. I measure 7” when erect, yet being a grower means my soft state is quite compact. With my CB6000, there’s plenty of room when flaccid unless the tube presses against my body, in which case it fills out well enough. The main issue with the CB series is that erections happen inside the ring, causing ‘yanks’ where the entire unit slides forward and traps/presses my testicles. What about the Birdlocked models? Specifically the Mini? I assume silicone offers some give, but surely people still experience hardness within them. Basically, it comes down to two scenarios: either you get hard inside and feel restricted, or you expand enough to get wedged in the tube. The concept of the Birdlocked Pico appeals to me; a mini version would be great too. I’d expect the standard pico to have a narrower inner diameter. The pain factor seems manageable since I don’t derive much arousal from discomfort just yet. Another worry is skin irritation on all those little contact points. A steel belt might be the ultimate fix: a curved tube resting against my pubic bone would push my shaft upward, turning it into an upright shower position that fills the tube completely. When erect, it bends uncomfortably enough to subside quickly. It’s just frustrating dealing with unwanted hardness pushing up behind the device.