Technicians regularly use toothed-cam ascenders such as the Petzl Croll. For climbing ropes, the chest-mounted Croll is normally used in conjunction with another handled ascender and foot loop. Technicians are generally taught to ensure they are also attached to this
The term ‘Fall Factor’ (FF) is often used to describe the ratio of the distance fallen to the amount of rope in the system that is available to absorb the energy associated with arresting the fall. Fall