So you would want to slow down and let the saw work through the area. [Flowering Elbow] uses a pulley and offcut from the log and hangs it from a tree. The log drops as the cut progresses and ...
It has a screw shaped end point. Not as clean cut as a twist or flat bit. It is used with a hand drill Wood Hole saw Comprised of a twist drill surrounded by a large circular tube with a saw teeth.