Yeah that's it, and there are several variations. I know it seems easy to just say no to buying a stupid ring, but it's much, much easier to not even open that door because, from what I've heard from a friend, they will just so aggressively be in your face that giving them even anything will seem worth it after the scene they create. I know pre-googling a country sounds so tech-bubbley a tactic, but that scam is not at all I would of anticipated so I'm glad I stumbled on it.

(note in the link above, the writer says it happened to her 3 times in an hour. I had it happen one right after another, as if the second/third person didn't see me push the first one aside. So it's not just an Asian thing, I was just saying the rate that I perceived is how I empathize with being stereotyped at a quick glance)