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Sit-stand systems (also known as frog rig) - one ascender is at chest level attached to the sit harness, and a second is held in the hand with a long loop of rope for the feet. Movement up the rope is by repeated moving of the foot loop ascender up the rope, pushing up with both feet together, and sitting, supported by the chest ascender.
An ascender is a device (usually mechanical) used for directly ascending, or for facilitating protection, with a fixed rope when climbing on steep mountain terrain. A form introduced in the 1950s became so popular it began the term "Jumar" for the device, and the verb "to jumar" to describe its use in ascending.
Ascenders perform the same basic function as friction or prusik knots made from cord but far less effort and concentration are needed to use them (e.g. tired climbers at high-altitude), they can handle much heavier loads (e.g. climbers with ruck-sacks), and they are more reliable in all conditions (e.g. on wet and icy ropes). The ascender uses ...
The ascender will glide smoothly up the rope when the belayer takes in slack. If the climber falls, the ascender will lock up. (I’m giving them the benefit of the doubt and assuming that the ...
A child climbs a tree. Professional arborists have been climbing trees since the late 19th century in the UK and North America. [1] Climbing a tree every day for a year or longer has become a challenge taken up by several artists; Todd Smith from Louisville, KY, USA, climbed a tree every day for 3 years.
A friction hitch or knot used to put a loop of cord around a rope, applied in climbing, canyoneering, mountaineering, caving, rope rescue, and by arborists. Rolling hitch (Taut-line hitch) Schwabisch hitch: A friction hitch tied around a thicker rope that can slide while unloaded, but locks when loaded. Similar to the Prusik: Todd-Kramer hitch
A Prusik (/ ˈ p r ʌ s ɪ k / PRUSS-ik) is a friction hitch or knot used to attach a loop of cord around a rope, applied in climbing, canyoneering, mountaineering, caving, rope rescue, ziplining, and by arborists. The term Prusik is a name for both the loops of cord used to tie the hitch and the hitch itself, and the verb is "to prusik" or ...
A Petzl Croll with the gate closed, open and with a rope locked in place. A Petzl Croll is an ascending device [1] used in caving and industrial rope access made by the French company Petzl.
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