The Qiang Kang Rule

Just a new rule that I learnt the other day. I thought I should educate all of you.

Example: Lulu, Mimi, Apple and Prada are playing mahjong after a particular hard night at work. Lulu discards 6 bamboos and Mimi pengs it. Thus, we have 3 "6 bamboos" being displayed. Later on in the game, Mimi draws a card and it turns out to be "6 bamboos" too. So Mimi takes out the card, shows it to lulu, apple and prada in order to kang and get money. At this point of time, Prada is also waiting for a "6 bamboos" in order to game. In the tussle for possession of the card, Prada wins! Notwithstanding Mimi was the one who drew the "6 bamboos".

To top off the sundae with a big huge cherry, Prada gets to add yi tai because she qiang kang! tadah! so fun rite? You get an extra tai for nothing. And I would think that snatching the card from someone would be very satisfying. I know that it's not nice to build your happiness on someone else's loss but boy oh boy that should be pretty darn fun.

Clarifications:
Firstly, it is NOT qiang kang if Mimi had 3 "6 bamboos" and Apple threw a "6 bamboos" which Mimi wanted to kang. In this case, if Prada were waiting for a "6 bamboo" to game as well, she gets priority but there is no qiang kang and no adding of yi tai.

It's pretty confusing. But I learnt something new and I wanted to share the knowledge.