Well, one comes undone easily and the other is more secure, compare here [1] or here [2] for example. [1] https://en.wikipedia.org/wiki/Granny_knot https://en.

Well, one comes undone easily and the other is more secure, compare here [1] or here [2] for example. [1] https://en.wikipedia.org/wiki/Granny_knot https://en.wikipedia.org/wiki/Granny_knot [2] https://www.fieggen.com/shoelace/grannyknot.htm https://www.fieggen.com/shoelace/grannyknot.htm