Flurry of Blows

 is a Athletic Perk in the Agility Attribute.

Description
Flurry of Blows increases the attack speed of items that are tagged as both melee and light. This includes the Bone Knife, Hunting Knife, Flashlight, Claw Hammer, Stone Axe, Wooden Club, Iron Reinforced Club, Torch, Machete, Wrench, and the player character's own bare hands.