Feint Defender (Combat, Shield Mastery)Source Armor Master's Handbook pg. 18
You use your shield to conceal your own body language and keep your attention focused.
Prerequisites: Shield Focus, base attack bonus +6 or fighter level 4th, Sense Motive 1 rank.
Benefit: You add your shield’s bonus to AC to the DC of feint attempts against you.Source Armor Master's Handbook pg. 20 (Amazon)
You can spend 5 stamina points to force a foe to attempt two Bluff checks when trying to feint against you in combat, and use the lower of the two results. (See page 18.)