How do I make an animation play when you are holding a tool by pressing "f" on your keyboard?

What I want to happen is to make an animation play when you are holding a tool by pressing the "f" on your keyboard. The animation plays for every limb except the one that is holding the tool.

 local tool = script.Parent
local Player = game.Players.LocalPlayer
tool.Equipped:connect(function(mouse)
	mouse.KeyDown:connect(function(key)
		key = key:lower()
		if key == "f" then
			local anim = Player.Character.Humanoid:LoadAnimation(script.Animation)
			anim:Play()
			print("SWORDFRENZY")
		end
	end)
end)

This is the code that plays the animation in the tool by press "f" but the arm holding the tool doesn't move for some reason. How can I make the arm holding the tool move along with the animation?