This year in Middleton, Delaware a man was killed after a tow hook came through the windshield of his tractor-trailer as he was trying to exit a muddy field. The strap broke off of the grain hopper he was trying to tow, striking and killing him. Another documented incident involved a man trying to pull a tractor out of a field with a conventional chain. A cotter pin snapped, and the clevis (fastener) shot through the back of the windshield. It struck the driver in the arm, bounced off of expensive equipment in the cab and then flew through the windshield. The driver’s arm is permanently injured and both of the tractors were severely damaged. In a similar case, local tragedy prompted the founders of…