At the climax when the men disband their discussion & proceed to the schoolhouse, shopkeeper Sam Becker puts his hand on his son's back twice.
Near the end, Jeff Bowden is lying dead face down on the ground. As the Sherriff tries to roll him over on his back, you can clearly see Bowden's right leg moving and trying to assist.
In the schoolhouse, there are paper animals all over the walls, clearly attached with scotch tape, which wasn't invented until 1930.