"No, no, no," said Hagrid, chuckling, "tha's jus" superstition, that is, they aren" unlucky, they're dead clever an" useful! Course, this lot don" get a lot o" work, it's mainly jus" pullin" the school carriages unless Dumbledore's takin" a long journey an" don" want ter Apparate-an" here's another couple, look-'