A nautical mile is slightly longer than a single mile, being based on ... when ship speed was measured with a length of rope that had numerous knots tied into it. There's a bit of disagreement ...

The knot was almost humorously small to me as ... The Edelrid Siskin 8.6 Eco Dry fared well in relation to other super-light single ropes. The sheath displayed some light abrasion after 3 months ...