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A living tree that is at least 15 centimetres (6 inches) in diameter will surely hold up several kilonewtons of force in any direction, and so is sufficient as being the sole anchor for any climbing anchor. A large (> 15 cm or 6 in diameter) and living tree is a natural anchor that is not redundant but still very strong.
The following is a list of notable brands and manufacturers of climbing and mountaineering equipment (including for all forms of rock climbing and of ice climbing), sorted by continent and by country.
[2] The "MB" came to be known as the Munter hitch after Werner Munter, a Swiss mountain guide popularized its use in mountaineering in the 1970s. [3] This hitch was studied and then promoted for its use in the mountains (being officially recognized by the UIAA towards the end of the sixties), by the Italian Alpine Club and, in particular, by ...
Uses include creating friction prusik knots for ascending or gripping fixed climbing ropes, usually using thinner approximately 5 to 6 mm (0.20 to 0.24 in) cord, or for attaching to, and equalizing forces across, multiple fixed anchors points, [15] such as when setting up abseil or belay anchors on multi-pitch climbing routes, usually using ...
Blake's hitch: Blake's hitch is widely used in tree climbing applications. The knot can be slid up and down a line manually, but when loaded, it sticks securely. Girth hitch: This hitch is commonly used to attach loops of runner to harnesses, bags, other kinds of equipment, and to natural features like rock knobs or brush/tree trunks for ...
Vitaly Abalakov's invention of the Abalakov Cam was the first application to climbing of the principle of a cam to climbing equipment. His cams were sections cut out of a pulley wheel and bear a remarkable resemblance to today's tricams. Since these shapes were eccentric, the intercept angle of the cam changed as the cam rotates and expands.