A post includes a hollow elongate tubular pipe. The post has an open upper end and an open lower end. The post has an upper portion and a lower ground engaging portion joined to one another. The upper portion is adapted to predominately extend above the ground and the lower ground engaging portion is adapted to be fully inserted into the ground. The upper portion and the lower ground engaging portion are separated by a protruding region immediately adjacent to where the upper portion and lower ground engaging portion join together.
