A specific configuration of rope, anchors, and pulleys typically utilized to extricate a climber immediately after slipping into a crevasse. A sewn nylon webbing product worn around the midsection and thighs that may be made to make it possible for someone to securely hang suspended in the air. A proprietary http://tysonprnjd.blogs-service.com/27762537/detailed-notes-on-boulder-sewing-machine-repair