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Petzl is a French manufacturer of climbing gear, caving gear, work-at-height equipment, and headlamps based in Crolles (near Grenoble), France. [1] The company was created by the cave explorer Fernand Petzl in the mid-1970s. Their three specialties are: Vertical sports: equipment for mountaineering, climbing, caving, etc.
A climbing wall is an artificially constructed wall with manufactured grips (or "holds") for the hands and feet. Most walls are located indoors, and climbing on such walls is often termed indoor climbing. Some walls are brick or wooden constructions but on modern walls, the material most often used is a thick multiplex board with holes drilled ...
Warren Harding (June 18, 1924 – February 27, 2002) was one of the most accomplished and influential American big wall climbers and aid climbers of the 1950s to 1970s. He was the leader of the first team to climb El Capitan, Yosemite Valley, in 1958.
The wall must overhang continuously with an angle of 5°. The climbable surface has to be light grey, covered by a resin-quartz with 0.1/0.4 granulometry, the numbers referring to grain sizes of fine sand. The top rope anchor point must be 1000 mm higher than the climbing wall and stand out 1000 mm from the wall.
Other climbing training 'boards' have been developed since the campus board, including the MoonBoard, a small customized overhanging indoor climbing wall also for plyometric performance, and the hangboard (or also the fingerboard), a device for building up static strength, particularly in the fingers, but also in the arms.
The Dawn Wall is a 2017 American-Austrian documentary film directed by Josh Lowell and Peter Mortimer about Tommy Caldwell and Kevin Jorgeson's successful attempt to create the first-ever big wall free climbing route—which they christened The Dawn Wall—on the historic southeast face (The Wall of Early Morning Light) of El Capitan in Yosemite National Park, which had hitherto only been ...