Winch Safety Handle Clamp Assembly. For PMC24 and TW12 Houses (Fits the CP24 Pole). Use as a safety feature when lowering the house to prevent striking your head. When house is raised keep this assembly above head height. When lowering house, lower to clamp assembly, move clamp assembly down and finish lowering house. When raising house, as soon as the house is above head height raise the clamp assembly. This will prevent you from accidentally standing up and striking your head. Also fits other poles 1-1/2" in Diameter.