Preview to Descending a Taut Climbing Rope: Moving Down on Friction Hitches
If we have a climbing rope loaded below us (maybe a climber is unconscious and weighting the rope), we may not be able to attach our rappel device, or even if our device was attached before the rope got loaded, being on a "fireman's belay" might keep us from moving down. The full video shares how we can descend a rope when it is pulled tight below us.
Follow this link to the full video and accompanying blog post.