Also known as the San Diego Knot, Reverse Clinch Knot, or Heiliger Knot.
The San Diego Jam Knot is legendary amongst offshore sport fishing anglers and, as its name suggests, comes from the capital of West Coast sport fishing. The structure of the knot is very similar to other variants of the Clinch Knot, and it is no coincidence that all of these knot variants rank near the top of the knot strength chart. The San Diego Jam Knot is more or less tied like the Clinch Knot in reverse, and has great line breaking efficiency across all types of fishing lines.
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Just how strong is the San Diego Jam Knot? Here are the knot strength efficiency numbers for the San Diego Jam Knot as tested on monofilament, fluorocarbon, and braided fishing lines.
Be sure to check out the Fishing Knot Strength Chart to see how the San Diego Jam Knot stacks up against other knots, and for more data and details on the testing methodology.