 The "Discovery of Chrissie" scene and the hand that is shown is a topic of   discussion with the films effects crew creating what would have been   appropriate looking from a realistic standpoint but an effect that Spielberg   just thought looked fake. He opted to simply shoot someones real hand   sticking out of the ground because it looked better to him. Not more   accurate, just better. At one point, Spielberg headed to the producers   office to quit as director. Knowing that the director was about to give up   the ship, producers David Brown and Richard Zanuck quickly threw on JAWS   T