Improved Shield Bash
(Player's Handbook v.3.5, page 96, DnD 3.5)
[General, Fighter Bonus Feat]
You can bash with a shield while retaining its shield bonus to your Armor Class.
Prerequisite
Benefit
When you perform a shield bash, you may still apply the shield's shield bonus to your AC.
Special
A fighter may select Improved Shield Bash as one of his fighter bonus feats (see page 38).
Normal
Without this feat, a character who performs a shield bash loses the shield's shield bonus to AC until his or her next turn.