 Ray decides to try it out; Sandy, who's formed an emotional bond with Ray, decides to tag along.At the restaurant they meet Casey, who introduces them to Harry, Casey's protege and "cannon"–the term for a known and skilled professional pickpocket.After discussion and doubts on Harry's part (Sandy proves something of a natural as she was able to lift Casey's cigarette case undetected), Sandy and Ray are given money to buy better clothes and Harry and Casey begin to train them in the parts they're to play – principally that of the "stall," or the members of the team who will provide distraction in order for Harry to get into the mark and make the "dip".