Sudden Willow Strike

(Player's Guide to Eberron, page 109, DnD 3.5)

[General]

Your monastic training allows great precision with your quarterstaff. You can lash out swiftly and strike foes in vulnerable areas, stunning them. This feat is taught and practiced by members of the Long Arm monastic tradition.

Prerequisite

Improved Unarmed Strike, Stunning Fist, Weapon Focus (quarterstaff), DEX 13, WIS 13

Benefit

You can use your Stunning Fist feat with quarterstaff attacks.

Normal

You can use Stunning Fist only with unarmed attacks,