The Mule Knot (a.k.a releasable knot) is ideal to lock off the rope on the belay plate. There are many occasions in climbing when, belaying from the harness using a device which does not self-arrest ...

We reached out to Richard Hopkins, author of several knot ... rope team can use it to stay together along a ridgeline, on a glacier, or in low-visibility conditions. You can also use it as a ...