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Why Figure 8 knot is NOT hard to untie!

Hard Is Easy · demo · Watch on YouTube

Sports & athleticsEveryday physics & science demos

What it is

Hard Is Easy runs experiments to show that a correctly tied figure 8 knot is not hard to untie after loading. He shows how two knots that look similar can behave differently depending on how they are dressed.

Why Hacker News recommends it

Cited in climbing knot threads to counter the claim that figure 8s jam, by showing the correct tying method.

  • 2 people recommended it
  • 2 different months
  • 1 strong recommendations
  • first 2021, last 2022

What HN commenters said

  1. “This is a great video.”

    Experiments showing two look-alike figure 8 variants differ in untying.

    imurray, 2022-08 · Strong recommendation · in “Essential Climbing Knots”

  2. “Apparently there is a wrong way of tying a figure 8, that leads to a version that is much harder to untie.”

    Shows a wrong way of tying a figure 8 that is hard to untie.

    roessland, 2021-03 · Recommendation · in “Learn How to Tie Knots”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: figure 8 knot, rock climbing, knot experiments, climbing safety, bowline

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