Surgeon’s Join

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1. 1

   Overlap the lines

   Lay the main line and leader alongside each other with opposite standing ends.
2. 2

   Form a shared loop

   Use both strands together to make a loose loop.
3. 3

   Pass through once

   Pass the tag and the entire leader through the loop together.
4. 4

   Pass through again

   Take the same paired ends through the same opening a second time.
5. 5

   Bring out the ends

   Leave the two standing parts and the two tags free.
6. 6

   Dress the knot

   Moisten real line. Pull all four strands evenly to seat the knot. Keep the turns aligned.
7. 7

   Inspect the double pass

   Two passages through the loop form the fishing surgeon’s knot.