Full Title

Apparatus for mountaineering (helmets A42B3/00; non-skid devices or attachments for footwear, e.g. crampons, A43C15/00; breathing masks or helmets for use at high altitudes A62B18/00; picks B25D7/00) > Mountain guy-ropes or accessories, e.g. avalanche ropes; Means for indicating the location of accidentally buried, e.g. snow-buried, persons