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FS: Solo Aid Self Belay Device, Climbing Ladders - The Yard Sale - CascadeClimbers.com
My brothers “Silent Partner” device after a major climbing accident where he fell at least 50 feet during a solo climb. This saved his life. : r/ climbing
Test Of Lead Climbing Solo Devices (Part 1 - 10 kg weight) - YouTube
General principles for solo climbing with a fixed belay rope - Petzl USA