We study collective rent seeking between two groups in which each group has the option of releasing or not its sharing-rule information. First, we show that the case where both groups release their sharing-rule information never occurs in equilibrium; when the players are unevenly matched, one group releases its sharing-rule information and the other does not. Then, we select the Pareto-superior equilibrium when the players are unevenly matched. We show that, in this selected equilibrium, the underdog releases its sharing-rule information, and the favorite does not; thus, the underdog becomes the leader, and the favorite the follower (JEL D72).