Some people use killing cones. They put the bird upside down into the cone and slit thier throat. You drain the blood into a bucket. I believe the roos will sort of go to sleep when they are upside down in the cone and the blood rushes to thier heads. They don't flap around as much because the wide part of the cone holds thier wings in (when you kill them they involuntarily will flap around) .
I haven't used one before but that I what I understood from reading about them. There is a meat forum here on byc with people who are experienced with different methods. Years ago, when we used to raise leghorns and barred rocks exclusively, my dh just used an axe. I don't like that method because they know something horrible is happening to them. My grandmother raised leghorns and she used an axe and did the deed herself lol. If you don't want to do the deed. Just raise them up to eating size and find a meat processor person or if you are lucky to live near some farms that raise chickens they might do it for you.
