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How do knots affect cord and webbing strength? — Alpine Savvy
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BL Magazine Issue 49 March/April 2017 by BL Magazine - Issuu
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June 15, 2019: Volume LXXXVII, No 12 by Kirkus Reviews - Issuu
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Knots - Pole Shift Survival Information
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Knots - Ropers PDF, PDF, Knot