Tandem Maneuver
You can work in concert with an ally to perform maneuvers in combat.
Preqrequisite
Base attack bonus +6, Improved Combat Maneuver (any).
Benefit
After you attempt a combat maneuver against an enemy that’s also threatened by an ally, you can take a guarded step as a reaction.
Teamwork Benefit
If an ally who also has this feat threatens the enemy you're attempting the combat maneuver against, you can roll twice on the attack and take the better result.
Source
Fly Free or Die: Crash And Burn pg. 53
Dragonscript
ID
4a8436db56e51b7e2c263ec7
Preqrequisite
and [condition character.bab.featPrerequisite >= 6, condition character.feats contains '9400f755a09fde832ae236cc'];