A climber stands in aiders on a steep face.
Stewart M. GreenPortable ladders, usually made of one-inch nylon webbing and with four steps, which are used by an aid climber to stand in because the rock is featureless or too steep to free climb. Usually used on big walls. Also called stirrups and étriers.
Strike out the competition with these step-by-step pictorials. More >
Learning Pilates fundamentals can help you get the most out of your exercise regime. More >
©2009 About.com, a part of The New York Times Company.
All rights reserved.
