vertical rescue using in-line pulley systems

Two Tension Rope System with Petzl JAG In technical rope rescue, the Two-Tensioned Rope System (TTRS), or Twin Tension Rope System, is an essential technique for vertical and horizontal evacuations. This system uses two tensioned ropes to evenly distribute loads, ensuring redundancy and safety. A standout feature of TTRS is its compatibility with the Petzl […]