Needs review
Source: Races of Destiny

Description: You are adept at moving through and fighting in crowds.

Prerequisites: Dodge, Hide (5 ranks)

The Crowd Tactics feat enables the use of three tactical maneuvers. You only gain these benefits if the crowd is indifferent or friendly.

Moving with the Flow: Entering a square with a crowd in it does not cost you extra movement.

One with the Crowd: You gain a +4 bonus on Hide checks made in square with a crowd.

Master of the Mob: You gain a +4 bonus on Diplomacy or Intimidate checks when attempting to direct a crowd.

Normal

See page 100 of the Dungeon Master's Guide for rules on crowds.