Making a tool come back to you?

So this is my Sword script and I don't want people to be able to press backspace to give their sword to other people. How would i do it and where would I place it in my script?. All help appreciated! Thanks!

r = game:service("RunService") 
ching = false
Tool = script.Parent
sword = Tool:WaitForChild("Handle")

function blow(hit) 
    if ching == true then
        return
    end 
    local humanoid = hit.Parent:findFirstChild("Human") 
    local vCharacter = Tool.Parent 
    local vPlayer = game.Players:playerFromCharacter(vCharacter) 
    local DD = vPlayer.DD 
    if humanoid then 
        ching = true 
        tagHumanoid(humanoid, vPlayer) 
        local damage = math.random(script.Parent.MinDmg.Value,script.Parent.MaxDmg.Value)+math.floor(vPlayer.leaderstats.Lvl.Value/5)
        DD.Value = DD.Value + math.floor(damage)
        humanoid:TakeDamage(damage) 
        local part = Instance.new("ScreenGui") 
        local part2 = Instance.new("TextLabel") 
        local c1 = script.FadeClean:Clone()
        local c2 = script.TextRiser:Clone()
        part2.FontSize = "Size18"
        part2.Size = UDim2.new(0,50,0,50) 
        part2.Position = UDim2.new(0.5,0,0.25,0) 
        part2.BackgroundTransparency = 1
        part2.Parent = part 
        c1.Parent = part2
        c1.Disabled = false
        c2.Parent = part2
        c2.Disabled = false
        part.Parent = vPlayer.PlayerGui 
        if (damage == 0) then 
            part2.TextColor3 = Color3.new(0/255,102/255,255/255) 
        else 
            part2.TextColor3 = Color3.new(255/255,255/255,255/255) 
        end 
        part2.Text = ""..damage.."" 
        wait(0.4)
        ching = false
        spawn(function()
            wait(.5)
            untagHumanoid(humanoid)
        end)
    end
end

function tagHumanoid(humanoid, player) 
    local creator_tag = Instance.new("ObjectValue") 
    creator_tag.Value = player 
    creator_tag.Name = "creator" 
    creator_tag.Parent = humanoid 
end 

function untagHumanoid(humanoid) 
    if humanoid then 
        for i, tag in pairs(humanoid:GetChildren()) do
            if tag.Name == "creator" and tag:IsA("ObjectValue") then
                tag:Destroy()
            end
        end
    end
end

function attack() 
    local anim = Instance.new("StringValue") 
    anim.Name = "toolanim" 
    anim.Value = "Slash" 
    anim.Parent = Tool 
end 

function lunge()
    local anim = Instance.new("StringValue") 
    anim.Name = "toolanim" 
    anim.Value = "Lunge" 
    anim.Parent = Tool
    local force = Instance.new("BodyVelocity") 
    force.velocity = Vector3.new(0,10,0) 
    force.Parent = Tool.Parent.Torso
    swordOut() 
    force:Destroy()
    swordUp()
end 

function swordUp() 
    Tool.GripForward = Vector3.new(-1,0,0) 
    Tool.GripRight = Vector3.new(0,1,0) 
    Tool.GripUp = Vector3.new(0,0,1) 
end 

function swordOut() 
    Tool.GripForward = Vector3.new(0,0,1) 
    Tool.GripRight = Vector3.new(0,-1,0) 
    Tool.GripUp = Vector3.new(-1,0,0) 
end

Tool.Enabled = true 

function onActivated() 
    if not Tool.Enabled then 
        return 
    end 
    Tool.Enabled = false 
    local character = Tool.Parent; 
    local humanoid = character:FindFirstChild("Humanoid")
    if not humanoid then 
        return 
    end
    attack()
    Tool.Enabled = true 
end

script.Parent.Activated:connect(onActivated)
connection = sword.Touched:connect(blow)