Petzl NAJA: An Adjustable Friction Saver Built for Tree Care Professionals For tree care professionals, balancing efficiency, safety, and tree preservation is essential. Whether you’re climbing for pruning, inspection, or rescue, the gear you rely on directly affects performance and impact on the tree. The Petzl NAJA is a friction saver designed specifically for today’s […]
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Petzl NAJA for a Retrievable Deviation in DdRT (MRS) In moving efficiently through the canopy using a Doubled Rope Technique (DdRT) or Moving Rope System (MRS), setting up a deviation (redirect) can improve balance, access, and work positioning at critical points. While a basic deviation using a strap and two pulleys is easy to install,
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Using the Petzl NAJA Friction Saver with a Stationary Rope System (SRS) Designed specifically for tree care, the Petzl NAJA is an adjustable, retrievable friction saver that enables climbers to protect the tree while efficiently managing rope systems. Featuring an integrated high-efficiency pulley and a strap with multiple adjustment points, the NAJA allows for clean
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Spanned Anchors in Rope Rescue Spanned anchors play a critical role in rope rescue operations, especially when anchor points must be established across gaps, uneven terrain, or large horizontal distances. Unlike traditional anchors that rely on fixed points, spanned anchors offer flexibility in positioning and load distribution. But with this versatility comes added complexity, and
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Steep Highline Calculations and Rigging Techniques Mastering steep highline systems takes more than just strong anchors and high-quality rope—it demands precision, forethought, and the ability to calculate force vectors in real-time terrain. In other words, steep highline calculations and rigging techniques are critical. Whether you’re new to horizontal rigging or refining your advanced systems, steep-angle
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When it comes to technical rope rescue, understanding equipment classifications and national standards is essential. One area that often raises questions is the use of NFPA G-rated rope—a designation set by the National Fire Protection Association for life safety rope. To simplify your decision-making and training, here’s a clear breakdown pulled directly from the Rigging
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Technical rope professionals often need fast clarity on specific systems. Whether you are refining a Twin Tension Rope System (TTRS) or setting up a gin pole, efficiency, safety, and precision come from understanding how the system works—not just owning the gear. Twin Tension Rope Systems (TTRS) TTRS distributes the load between two tensioned lines, with
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High Angle Pickoff with Petzl Jag (Load Transfer) High angle pickoffs are critical in technical rope rescue, especially when a suspended subject must be safely transferred into the rescuer’s system. This operation involved a full pickoff using a double long-tail bowline, load transfer device, and a controlled descent system. Initial Setup and Approach The pickoff
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Ground-Based Descent Management in Skate Block Systems Effective ground based lowering and using Petzl IDs in skate block rescues demands not only precision at the top-end rigging but also control and clarity at the base of the system. In a skate block offset, the bottom-side setup plays a pivotal role in managing the descent of
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Skate Block Offset Rescue Systems The skate block offset rescue system is a critical system in technical rope rescue. It enables teams to conduct ground-based operations when rescuers need to access a subject located high above. This method is ideal when top-down access isn’t possible. By approaching from the bottom up, teams can maintain control,
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