I have seen that, beforre boiling live lobsters, chefs usually sit it down and stroke the back of its neck. I have heard that this puts the lobster in a trance but my friend says it just paralyses it. It would be an unkind thing to do if it can fell the pain and is just paralysed but I imagine that, in a trance, the lobster doesn't feel anything.
Can somebody please provide a definite answer to the question: does stroking a lobster's neck paralyse it or put it in a trance?