Same knot Tac Blades shows but with one improvement - ranger bead - no splice or loop to degrade the line strength. Also to tighten "stopper knot" simply hand tighten and USE the shackle under load. The load naturally, evenly, and effectively tightens knot.

One simply has to practice splicing and make sure your splice is long enough to extend out past the stopper knot.

Again easy peasy. And this knot won't invert under load.

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