wrote:
or whatever.I saw a commercial on tv and a guy had a metal bar mounted
on the back of his riding lawn mower/little yard tractor.He was driving
foward and the bar was digging a trench.That would come in handy for
digging a trench for coax cable for radio antennas.A bar could be
fastened to a car or pickup truck and do the same thing.Just put it in
gear and go.
cuhulin

That's a ripper bar. I lived in an agricultural area that was built on
a dry lake bed. Big tractors would pull those through the
concrete-like dry sediment to bust it up.