Dynamic Directionals-One of the Great Inventions in Rescue and Rigging

Dynamic Directionals (a type of offset) are useful in adjusting the main line and belay from above the rescue page or in some cases, from across a gap or chasm. The use of this system usually requires a fair amount of horsepower, at least a mechanical advantage of  6:1 or 9:1, but not always.  As …

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