Btools

  local btool = Instance.new("Tool",game.Players.LocalPlayer.Backpack)
  local SelectionBox = Instance.new("SelectionBox",game.Workspace)
  SelectionBox.Name = "oof"
  SelectionBox.LineThickness = 0.05
  SelectionBox.Adornee = nil
  SelectionBox.Color3 = Color3.fromRGB(0,0,255)
  SelectionBox.Visible = false
  btool.Name = "Delete Tool"
  btool.RequiresHandle = false
  local IsEquipped = false
  local Mouse = game.Players.LocalPlayer:GetMouse()

  btool.Equipped:connect(function()
   IsEquipped = true
   SelectionBox.Visible = true
   SelectionBox.Adornee = nil
  end)

  btool.Unequipped:connect(function()
   IsEquipped = false
   SelectionBox.Visible = false
   SelectionBox.Adornee = nil
  end)


  btool.Activated:connect(function()
  if IsEquipped then
   game.Workspace.resources.RemoteEvent:FireServer("toggleShield", Mouse.Target)
   end
  end)

  while true do
   SelectionBox.Adornee = Mouse.Target or nil
   wait(0.1)
  end