Since the default system is disabled, the script uses Humanoid:EquipTool(tool) to manually handle item selection.
Scripts often use StarterGui:SetCoreGuiEnabled(Enum.CoreGuiType.Backpack, false) to hide the standard Roblox inventory. OP Backpacking GUI
How to Make a Custom Backpack GUI | Roblox Scripting Tutorial Since the default system is disabled, the script