.22 bullet in the head. Not sure what you mean by broomstick method but laying a rooster down and laying a metal pipe or I guess a broomstick across the neck. Stand on both sides close to the head and pull up hard by the legs. I mean hard. The neck will break easily. Striking the rooster in the head with a metal pipe will knock them out, then do the other method by pulling on the legs. Kinda blunt but it's part of it. Good luck.