Shield Wall
(Heroes of Battle, page 99, DnD 3.5)
[General, Fighter Bonus Feat]
You are skilled in using shields when in formation with other shield-bearers.
Prerequisite
Shield Proficiency
Benefit
When you and an adjacent ally are each using a shield, your shield bonus to Armor Class increases by 2.
Special
A fighter can select Shield Wall as one of his fighter bonus feats (see page 38 of the Player's Handbook).