The Rust Brothers demonstrate a cotton boll picking machine in a field in Stonewall, Mississippi.

A cotton boll picking machine in Stonewall, Mississippi. Men pick cotton bolls with hand in a field. The Rust Brothers demonstrate a cotton picking machine invented by them. A sign on the machine reads 'Rust cotton picker'. The machine picks cotton bolls. People look on at the machine in operation. The bolls are loaded in a bag attached to the machine.