Swinging underhand, I brought the two-by-four up toward the widest part of the buzzsaw whirl that was Mannequin. Through luck as much as intent, I managed a glancing blow on the end of the blade, knocking it up toward the ceiling. The momentum of his rotation managed the rest. He tipped and crashed onto his side, literally falling apart in the process. Lengths of chain connected everything, but nothing was in the right socket. Some sort of built-in defense mechanism against heavy impacts?