Why animation script wont work but I think I put every thing in the right place?

The script is supposed play an animation when the tool is equipped, and stop it when it's unequipped. Why does it not work?

	local anim = Instance.new("Animation", game.Players.LocalPlayer.Character)
	local animTrack = game.Players.LocalPlayer.Character.Humanoid:LoadAnimation(anim)

script.Parent.Equipped:connect(function()
	animTrack:Play()
end)

script.Parent.Unequipped:connect(function()
	animTrack:Stop()
end)