A Grigri (or Gri-gri, Gris-gris) is a hand-sized belaydevice designed to help secure rock-climbing or rope-acrobatic activities. Its main characteristic is self-locking behaviour under a shock load. Belayers using a Gri-Gri need full-attention on their climber and skillful operation to ensure safety. Grigri is a trademark of Petzl, but the success of this tool is so huge that it is likely to become a common name. Competitors include the Trango Cinch. As a nautical term, belaying refers to making a line fast to a cleat, pin or other fixed object. ... This page describes terms and jargon related to climbing and mountaineering. ... A trademark or trade mark[1] is a distinctive sign of some kind which is used by an individual, business organization or other legal entity to uniquely identify the source of its products and/or services to consumers, and to distinguish its products or services from those of other entities. ... Petzl is a French manufaturer of climbing gear, caving gear and headlamps, considered to be among the finest in the world. ... A genericized trademark, generic trade mark, generic descriptor, or proprietary eponym, is a trademark or brand name which has become the colloquial description for a particular class of product or service. ... The Trango Towers, elevation 6617 m are a chain of granite spires on the north side of the Baltoro Glacier in Pakistan, opposite Urdukas. ...
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