Remote function fires multiple times?

So I made a tool that lets my avatar punch and do damage, which I connected through a remote event. The problem occurs whenever I equip the tool multiples times. So if I already equipped the tool the third time, the remote event fires three times, so the punch makes three times as much damage. I don't really know how to solve this, so help would be very appreciated.

Code from the client side:

local Player = game.Players.LocalPlayer
local Mouse = Player:GetMouse()
local tool = script.Parent
tool.RequiresHandle = false
local debounce = false
 
tool.Equipped:Connect(function()
	    debounce = true
		Mouse.Button1Down:Connect(function()
			if debounce == true then
			game.ReplicatedStorage:WaitForChild("PunchEvent1"):FireServer()
			print("fired")
		end
	end)
end)

tool.Unequipped:Connect(function()
	debounce = false
end)

Code from the server side:

local Cooldown = false
local CanDamage = false
local Combo = 1
 
--Edit these variables
local Delay = .35
 
game.ReplicatedStorage:WaitForChild("PunchEvent1").OnServerEvent:Connect(function(Player)
print("received")
if Cooldown then return end

 
spawn(function()
    Cooldown = true
    wait(Delay)
    Cooldown = false
end)
 
local Swoosh = Instance.new('Sound',Player.Character.HumanoidRootPart)
Swoosh.SoundId = 'rbxassetid://231731980'
Swoosh.Volume = .2
Swoosh.EmitterSize = 100
 
local rightPunch = Instance.new("Animation")
rightPunch.AnimationId = "rbxassetid://3750767531"
local rightTrack = Player.Character.Humanoid:LoadAnimation(rightPunch)
 
local leftPunch = Instance.new("Animation")
leftPunch.AnimationId = "rbxassetid://3796677804"
local leftTrack = Player.Character.Humanoid:LoadAnimation(leftPunch)
 
local Finisher = Instance.new("Animation")
Finisher.AnimationId = "rbxassetid://3796674078"
local finalKick = Player.Character.Humanoid:LoadAnimation(Finisher)

 
if Combo == 1 then
rightTrack:Play()
Swoosh:Play()
local Dmg = script.RightArm:Clone()
Dmg.Parent = Player.Character["Right Arm"]
Dmg.Disabled = false
wait(Delay)
Dmg.Disabled = true
Dmg:Destroy()
Combo = 2

 
else if Combo == 2 then
leftTrack:Play()
Swoosh:Play()
local Dmg = script.LeftArm:Clone()
Dmg.Parent = Player.Character["Left Arm"]
Dmg.Disabled = false
wait(Delay)
Dmg.Disabled = true
Dmg:Destroy()
Combo = 3
 
elseif Combo == 3 then
rightTrack:Play()
Swoosh:Play()
local Dmg = script.RightArm:Clone()
Dmg.Parent = Player.Character["Right Arm"]
Dmg.Disabled = false
wait(Delay)
Dmg.Disabled = true
Dmg:Destroy()
Combo = 4

 
else if Combo == 4 then
leftTrack:Play()
Swoosh:Play()
local Dmg = script.LeftArm:Clone()
Dmg.Parent = Player.Character["Left Arm"]
Dmg.Disabled = false
wait(Delay)
Dmg.Disabled = true
Dmg:Destroy()
Combo = 5
 
else if Combo == 5 then
finalKick:Play()
Swoosh:Play()
local Dmg = script.Finisher:Clone()
Dmg.Parent = Player.Character["Left Arm"]
Dmg.Disabled = false
wait(Delay)
Dmg.Disabled = true
Dmg:Destroy()
Combo = 1
               
                end
            end
		end
    end
end)

Example of the output: (Everytime I equipped the tool, I let my avatar punch) fired received fired (x2) received (x2) fired (x3) received (x3) fired (x4) received (x4) fired (x5) received (x5)