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Ascenders

Definition of a Climbing Equipment Word

By Stewart Green, About.com

A Petzl Ascender.

Photo courtesy of Petzl

Ascenders

Mechanical devices used to clamp onto a fixed rope to ascend it. They are often used on big walls to speed up the cleaning or removal of gear by a seconding climber. Some of the more popular ascenders are made by Petzl and Jumar.

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