I wish you had told us in the beginning of this thread the way that you were holding the tips. We have stages that have tip rails and guys will hold their tips in their hand until you get to them. They also place it on the stage or throw it on as well. If you were doing the first, you are normal at my club. I would prob. have gone over to you since you did indeed tip me.
We have many guys that come in and make it rain on a few if not all the girls. These are regulars that never get dances, but tip really well. They like to hang out at the club with or more girls, but obviously not all the girls at once! We will all take turns chatting them up and the men will make sure they show their appreciation on stage.
I think that is what happened here with your friends and you. The girls prob. knew those guys or REALLY didn't like having balled up ones tossed at their butts. You were knew, were tipping and said your guys started to get dances.
So, it all worked out. Especially for the girls getting tipped and getting dances