FIG. 1 is a perspective view of a mountaineering tool for rope climbing, showing our new design; FIG. 2 is a side view thereof; FIG. 3 is a side view thereof, from a side different than FIG. 2; FIG. 4 is a side view thereof, from a different angle than FIG. 2; FIG. 5 is another side view thereof; and, FIG. 6 is a top view thereof.