The common procedure I was taught when growing up was chilling the crayfish (stick it in the freezer until it goes to sleep) before killing it [1]. It really ta

The common procedure I was taught when growing up was chilling the crayfish (stick it in the freezer until it goes to sleep) before killing it [1]. It really takes very little effort and make no discernible difference whatsoever to the end result. It's interesting that this method wasn't one of those listed, because I was under the impression that it was quite effective. [1] http://kb.rspca.org.au/What-is-the-most-humane-way-to-kill-crustaceans-for-human-consumption_625.html http://kb.rspca.org.au/What-is-the-most-humane-way-to-kill-c...