Sterling 8 mm Bound Loop Prusik - Short (40cm) Throwbag While the Notch SafeBloc provides

While the Notch SafeBloc provides added friction

This way it is possible to attach it to the TALON tree crampon

and Extra Tall

The rigging line can be threaded through all three holes for maximum friction or fewer holes for less friction

Sterling 8 mm Bound Loop Prusik - Short (40cm) Throwbag While the Notch SafeBloc providesProvides progress capture, tandem prusik belay and optimal rope grab for rope rescue. Does away with bulky, time consuming knots and is stronger with its sewn loop construction. These are adjustable. Just hold the heat shrink tube, and pull on the non sewn leg of the loop to make the loop larger or smaller as needed.