: Always selecting a "crotch" or branch union that is strong enough to support the climber's weight plus a dynamic load.
: Knots like the Prusik , Taut-line , or Blake’s Hitch allow the climber to move up the rope and then lock securely in place when they let go. tree climbers companion pdf
The manual illustrates the "three-cut method" to prevent heavy branches from stripping the bark down the side of the trunk. It emphasizes cutting just outside the branch bark ridge and branch collar to facilitate rapid wound closure by the tree. Fundamentals of Rigging : Always selecting a "crotch" or branch union