You master the fighting with a free hand.

Prerequisites: BAB +1, Dex 13, Weapon Focus(Fencing Weapon)

Benefit: When performing a full-attack action you may perform a mental or dexterity based combat maneuver as a swift action.

The duelist style may only be used when using off-hand free fighting with a fencing weapon.

Special: You cannot activate styles out of combat. Activating a style is a swift action and you can have solely one active style at a time.