It is on someone's wall or in someone's window: knotted cotton trailing from a driftwood branch, a living plant in a hand-tied hanger, looking impossibly intentional. You ordered cord and cleared an afternoon, and found that the instructions had left out the cord lengths and described each knot in language that only made sense to someone who already knew what to do.
This book puts back what most macramé instruction leaves out: every cord length, every knot direction, every check before moving on. 20 Projects, Zero Missing Measurements