Surgeon's Knot

Joins two lines (even of different diameters) with a double initial turn that locks in place
Also called: Surgeon's Knot, Surgeon's Join Knot, Nudo de cirujano, Nudo del cirujano doble, Nó do cirurgião para emenda, Nó cirurgião de união de linhas · ABOK #1209
What it is for
- Join main line to leader in fishing in a matter of seconds
- Join lines of different diameters or materials
- Make quick splices in low light or with cold hands
- Join fine lines when rigging fly-fishing setups
- General splicing of thin cords and twine in everyday tasks
- Field situations where you need to join two lines firmly and fast