Multiweapon Fighting

Dex 15, three or more arms, Two-Weapon Fighting, base attack bonus +8.

Note: Any limb capable of wielding a manufactured weapon can be considered as an “arm” for the purposes of this feat.

You may make one attack with each off-hand weapon you wield as part of any standard action attack or full attack, including when charging, but not when using a special attack or maneuver (such as a trip or grapple attempt), to a maximum number of off-hand attacks equal to your Dexterity bonus.

All restrictions and penalties for fighting with two weapons applies when fighting with more than two weapons.