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You've been tying your shoes wrong your whole life
💡 A shoelace bow that stays tied is a square knot lying flat across the shoe; one that constantly slips is a granny knot — fixed by reversing the direction you loop the bow.
If your laces keep coming undone, you're probably not tying them too loosely — you're tying the wrong knot. Most people unknowingly tie a granny knot, which sits crooked, points up and down, and works itself loose with every step. Its twin, the reef (square) knot, lies flat across the shoe and holds fast — using the exact same laces and the exact same effort.
The difference is one tiny move. When you make your bow, you wrap one loop around the other. If that wrap goes the same direction as your initial starting knot, you get the weak granny. Reverse the direction of that wrap, and the bow settles horizontally into a strong square knot. This is the trick popularized by Terry Moore in a famous 60-second TED talk.
The test is visual: a well-tied bow should sit sideways, parallel to the shoe's opening. If it points toward your toes and heel, you've got a granny knot — undo it and loop the other way.