Bead breakers can be made from a 2x4, and a door hindge.
Cut about 2 feet off of the board. Then screw the cut off piece to the longer one at about a third of the way from one end, using the hinged as a connector, so that it closes toward the short end. The simply use the short end under the bumper of a truck and the the hindged on piece on the side of the tire you are trying to break down.
