Ride the High Country (1962)
This is the movie Eddie and his father see. If you look as they round the corner, you can see the poster for the movie.
Crow: "This is kind of like 'Ride the High Country,' except it's not very good."
The title is mentioned in the Peckinpah obituary.
shows several clips from the movie throughout documentary
Footage from the film is featured.
Clips from this film were shown in this documentry,