20-80 Rule for Rescue Gear and Mechanical Advantage Systems Introduction The 20-80 rule shows that 20% of gear and techniques cover 80% of challenges in rescue operations. This is especially relevant for mechanical advantage systems (lifting and lowering setups) and essential rescue gear like multi-use devices, carabiners, and pulleys. By focusing on these core elements, … Continue reading 20-80 Rule for Rescue Gear and Mechanical Advantage Systems