In other cases, the clue they might be onto something is a sharp pain and a cry to stop. While attempting to simulate an arm-breaking move, MacIver and his friend discovered this was one to add to their blacklist. "We were trying all these different options – that doesn"t seem right, or that doesn"t do anything, that"s no good…," he says. When they finally found a likely solution, there was a sudden yelp. "…after the barest pressure, he"s like, "No, no, no, stop, that"s it.""