Preview to: It's More Than You Think! Why Modern Tools Help Ascending the Climbing Rope
It used to be the case that ascending the climbing rope was done using two soft goods wrapped around the rope with two friction hitches. That method requires that we put the waist prusik further up the rope than the leg loop. But modern tools have inverted that configuration. The major benefit of that setup is more than efficiency of ascent; it's much simpler to overcome a lip of rock or ice, now, and the full video more deeply explores why.
Follow this link to the full video and accompanying blog post.