 CONT: Early in the film, a person is shown transporting the film  with "Deep Throat" painted one the film case. The case he carries  holds only two reels or 40 minutes of film. When the case is opened  in the projection room it has grown to a 3 reel case and when the  police seize the film a few minutes later, the case is a 4 reel  size, the correct size for this film.