abstract:Simul climbing, also known as climbing with a running belay,Mountaineering: The Freedom of the Hills, Swan Hill Press; 6th Revised edition (14 Oct 1997) ISBN 1-84037-001-7 ISBN 978-1840370010 is a climbing method or style where all the climbers climb at the same time while tied into the same rope. Protection is placed by the first member of the rope team and the last member removes the pieces of gear.