This is a Stopper Hitch. It is a knot that applies pressure. Pressure that increases with the weight you apply to it. Used most often in two situations: 1. attaching sand bags to ropes and 2. tying a counter weight line to the locking rail to indicate that the line is to stay put.

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The smaller line gets one wrap around the big line.

stopp2

Then it passes over itself.

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Under the big line again.

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Then in between itself and the big line several times. 4 is a good number. I hope the riggers out there will let us know if there is a standard number of wraps.

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I used 4 wraps. Notice how the small line keeps wrapping inside itself.

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Pull it tight.

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The small line is tied to the locking rail below.

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This knot will allow itself to be adjusted simply by relieving the pressure. Without the pressure, the knot slides up and down with ease.

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