Knot used for belaying (Aka italian hitch or friction hitch). The Germans love this knot (see HMS).
A type of note used to provide friction and generally used in conjunction with an HMS Krab. Useful for belaying or lowering a second. Also known as an Italian or Friction hitch
A friction knot, typically tied to a large carabiner, which can be used to belay a climber. Good to know in case you lose your belay device.