I use the throat slitting method- I feel it's the best way to drain the blood. What I've read makes sense to me- when you sever the head, all brain activity stops, and the heart no longer pumps blood. So, the blood has to just ooze out. With the throat slit method, more blood is able to drain. Not that a little blood is going to hurt anything, but that's just the way I do it. Plus, it may sound disturbing, and you do need a bit of nerve to actually slit the throat of an animal, but it's really a very peaceful method. There's no struggling or flapping, and they just go to sleep quite quickly, due to the instant drop in blood pressure.