NEW EQUIPMENT

Prusiking Device. A new mechanical device, called Jümar Stirrups and developed to replace the prusik knot, has recently been imported from Switzerland. With its aid long ascents up a fixed rope are made relatively easy and fast as compared with previous methods. It may also be applied to various phases of rescue to replace the prusik knot. It may be adapted to rope diameters from 3/16 to ½ inch. Weight is approximately one pound per pair. The device is made of cast aluminum and steel, and consists of a loop held in place against the rope by a knurled eccentric. When pressure is applied to the device the eccentric bites into the rope and holds. When pressure is relaxed the device may be slid easily up the rope. Stirrup slings can be attached to the loops for prusiking.

Gary D. Rose