Steel Tubes

I’m a late-20s straight man in a BDSM relationship with a dominant woman. She enjoys depriving me of orgasms for long periods of time, and she likes to keep me in a male chastity belt. It’s a rather high-tech, custom-fitted thing made of stainless steel and lined in silicone. It makes it impossible for me to masturbate or even get an erection. While it has taken some time to adjust to wearing it full-time, I can now go about my daily business quite well with it on. Judging by the Internet, there is quite a burgeoning fetish subculture for male chastity belts. My only concern is the long-term medical effects. My penis unsuccessfully tries to get erect dozens of times per day, only to strain against an unyielding steel tube. I worry that months (years?) of this may damage my penis, or make it difficult to get...