So in Serebii's Secret Base section, it mentions being able to Street Pass someone on your friends list with whom their Secret Base is already registered, in order to get a large lump of flags. My question is, how do you get this to work? I had my cousin over the other day and we both tried closing our 3DS' to do a proper Street Pass and the green light never went off, and thus I when I went to his base I didn't get more than just one flag. Anyone know whats up?