Eyes in the Back of Your Head
( Sword and Fist: A Guidebook to Monks and Fighters, p. 6)[General]
Your superior battle sense helps minimize the threat of flanking attacks.
Prerequisite
Base attack bonus +3, Wis 19+,
Benefit
Attackers do not gain the usual +2 attack bonus when flanking you. This feat grants no effect whenever you are attacked without benefit of your Dexterity modifier to AC, such as when you are flat-footed.
Normal
When you are flanked, the flanking opponents receive a +2 attack roll bonus against you