Anti Physgun tool!

This tool will allow you to disable physics gun on an entity and it will remove the entity from Undo list (The list when you press Z)!

Left click - Disable physgun, disable gravgun, remove from undo list
Right click - Enable physgun, enable gravgun and add to undo list (Last entity right clicked will be 1st on the list!) download (Images included) :

Seems useful, Someone else might not think so but too bad I only play SP.