I have no idea how my aunt and uncle did it; when I was there it was always Wally or his older brother Francis who did the chopping. I guess they were still young enough to get a kick out of the headless chicken's running around. I always found it amazing.
"These were critters that had tried to kill me so I wasn't particularly upset.
That's the difference between city critters like me and farm critters like you, different realities when it comes to animals. Farm critters are more practical.
Actually my father was an M.D., but he grew up on a farm and had difficulty giving it up.