Pole Master( Secrets of Sarlona, p. 118)
Your monastic training included extensive work with pole arms.
Weapon Focus (PH) (With a specific hafted reach weapon) , Base attack bonus +1, flurry of blows class feature,
You can treat a hafted reach weapon as a special monk weapon allowing you to perform flurry of blows with it. Examples of such weapons include the glaive, longspear, ranseur, and Talenta sharrash.