Detailed description of knot differences

Diagrams of square and granny knots The drawing of both the square knot and the granny knot contain two pieces of intertwined string (light and dark), each of which is roughly in the shape of a sideways version of the letter U. The dark string has the open end of the U facing left, and the light string has the open end of the U facing right.

Square knot

In tracing the overlap/underlap of the dark (left facing U) string, we start with the top part of the U and find: The string goes under, then over, then under the light string before rounding out the bottom of the U. After the u-turn, the dark string continues to go under, then over, then under the light string to get back to the other open end of the U.

Granny knot

In tracing the overlap/underlap of the dark (left facing U) string, we start with the top part of the U and find: The string goes over, then under, then over the light string before rounding out the bottom of the U. After the u-turn, the dark string continues to go under, then over, then under the light string to get back to the other open end of the U.

Differences

The basic difference between the two knots is that they have opposite under/over windings for the first part of the sideways U but same under/over windings after the u-turn. This is difficult to describe, so please send e-mail to webmaster@shoeknots.com if the picture requires further explanation.


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