Page 35 - Peter Owen - Knots
P. 35

Ij PRUSIK KNOT


                                                                           This knot is named after Dr Carl J'rusik, who
                                                                            devised it in ]931. It is a comparatively simple
                                                                            knot to tie, which is used by climbers to attach
                                                                            slings to a rope so that they slide smoothly
                                                                            when the knot is loose but hold firm when a
                                                                            sideways load is imposed. Although the knot
                                                                            does not always slide easily, once the load is in
                                                                            place it can be released only by removing the
                                                                            weight and freeing the turns of the rope. The
                                                                            Prusik knot is useful  for anyone who has to
   I                                                                        scale awkward heights- tree surgeons and
                                                                           (avers, for example - as well as for climbers,
                                                                           who use it as a safety mechanism when
                                                                           abseiling or rappelling (that is, descending a
                                                                            steep rock face by using doubled rope fixed ilt a
                                                                            higher point).
                                                                             The knot must be tied with rope thai is
                                                                           considerably thinner than the line around
                                                                            which it is tied, and it is important to note that it
                                                                            may slip if the rope is wet or icy.























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