My dad wears a signet ring on his right hand ring finger. As a kid, like you do, I used to try to tug it off. And just like putting someone else’s glasses on properly, it’s pretty hard to take someone else’s ring off, so I was never able to. Whenever I would try to remove it and fail, my dad used to say that he had a pin that went through his finger and was connected to the ring, and so it couldn’t be removed.
I wasted way too much brain power when I was younger trying to figure out how that was possible.