Div that contains the BluuGnome Logo stuff for Banner End of banner-logo div Code generated from google for the Ad Unit - BG-top-ad End code generated from Google for the Ad Unit - BG top ad END div-top-add END div-spare-top Home Routes What's Canyoneering What's Canyoneering Getting Started Rating System Gear Thoughts How To Misc. Warnings / Disclaimers Thank You Note External Links Glossary and Other Info Emergency Contacts Store END div-nav END div-wrap-nav-add-search End of banner div A purcell prusik is a loop of cord tied into an adjustable loop using a prusik on itself.  This creates an adjustable tether to be used as a safety tether or anything else you want to use it for.  If you would like to know more about it keep reading.  If you want to learn to tie one keep reading more. Purcell Prusik in use. An adjustable t...