Thank you for starting this thread.
I have a current problem. This is yesterday's job, a hackberry whose lowest limb split out. The limb went over top of the phone, power and cable lines and tagged the house next door. I got the limb secured by rope up near the point of the snapoff, got the tree off the house, no problem, but could only cut away the branches to the point where the linbs that were impaled into the ground are now supporting the limb from coming down further.
