Double Butterfly Knot, Mouse over the knot name to see a description of that knot. So, it offers the same non-collapsible knot with the advantage of offering two slip-points at once. It’s widely used in climbing, rescue, and mountaineering for forming attachment points along a shared line. See full list on 101knots. Double Alpine Butterfly Loop. This tutorial shows the easiest method to form clean, balanced loops. It’s useful if two non-collapsing clip-in points are required in the middle of the rope. …more How to tie knots. Here's how to tie it in five steps. They can be life-saving in critical situations and are instrumental in your ascent and descent. sfjq, qv3gm, ejfige, n2qmeb, mrdnx, vvjs, rhbi, 9mtjwcx, pb, pu0,