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snow is crusted, it is better to avoid passing cords or straps under the skis, as they would be cut by the ice. In any event straps or cords on the running surface of the skis greatly increase the friction in pulling. The exact relations of skis, braces, and lashings must, of course, be worked out in each toboggan. The four-ski improvised toboggan is handled, so far as possible, in the manner described for the ready-made toboggan. Two-ski rescue sled.—The improvised four-ski toboggan has one serious fault. If an accident occurs so far from a ski center that a ready-make toboggan cannot be had, it is usually not possible for an able skier to sacrifice the second pair of skis necessary for its construction. For this reason ski mountaineers should place most emphasis upon the two-ski toboggan. It can be used for any injury, but is most satisfactory for injuries which permit the victim to sit up while being transported. |
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