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This article was originally published in How It Works issue 101 , written by Charlie Evans For more science and technology articles, pick up the latest copy of How It Works from all good retailers or from our website now

Test Your Knots Finally, take the time to test your knots

Abandoned items policy: Items paid for and not picked up will be held for 7 days after the date of removal for you to pick up by appointment

A number of specialists, outdoor retailers, and outdoor gear brands offer repair services*

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