What is the lesson to be learned from Huck's retelling of this piece of bad luck:
And [Jim] said that handling a snake-skin was such awful bad luck that maybe we hadn't got to the end of it yet. He said he druther see the new moon over his left shoulder as much as a thousand times than take up a snake-skin in his hand. Well, I was getting to feel that way myself, though I've always reckoned that looking at the new moon over your left shoulder is one of the carelessest and foolishest things a body can do. Old Hank Bunker done it once, and bragged about it; and in less than two years he got drunk and fell off of the shot tower and spread himself out so that he was just a kind of a layer, as you may say; and they slid him edgeways between two barn doors for a coffin, and buried him so, so they say, but I didn't see it. Pap told me. But anyway, it all come of looking at the moon that way, like a fool.