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  2. Single-rope technique - Wikipedia

    en.wikipedia.org/wiki/Single-rope_technique

    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.

  3. Ascender (climbing) - Wikipedia

    en.wikipedia.org/wiki/Ascender_(climbing)

    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.

  4. Tree climbing - Wikipedia

    en.wikipedia.org/wiki/Tree_climbing

    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.

  5. Can You Really Use An Ascender As A Belay Device? These ... - AOL

    www.aol.com/news/really-ascender-belay-device...

    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 ...

  6. Blake's hitch - Wikipedia

    en.wikipedia.org/wiki/Blake's_hitch

    The Blake's hitch is a friction hitch commonly used by arborists and tree climbers as an ascending knot. Unlike other common climbing hitches, which often use a loop of cord, the Blake's hitch is formed using the end of a rope. Although it is a stable knot, it is often backed up with a stopper knot, such as a figure-of-eight knot, for safety.

  7. List of friction hitch knots - Wikipedia

    en.wikipedia.org/wiki/List_of_friction_hitch_knots

    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

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