The chastity cage is preinstalled, and you don't what is worse; the fact that you can't find the key, or that it doesn't seem to bother you that much.

>>11331889
the trick is to get used to wearing it while flacid. most unconscious erections aren't 100% hard. once you're not getting hard your pp will realize it's place (caged) and you let it snowball from there.

if it's still an issue for you, consider low-dose hrt.