More details about the The Shoelace Bow
Uses: The Standard Shoelace Bow is the most widely used method of tying a shoelace.
Structure: The Standard Bow is really a Reef (Square) Knot but the second half hitch is tied with bights rather than the ends.
Lock Knot: Shoelace bows tend to come undone. The loose ends can trip you up and a loose shoelace is certainly inconvenient - with the possible exceptions of bedtime and when struggling to stand on one foot and remove your shoes for an airport security inspection. The Shoelace Lock reduces the frequency with which a shoelace slips loose. The lock is merely an additional half hitch tied with the loops of the bow (Picture on Left).
Options, More Shoelace Knots and Further Reading: For tips, details, options, lacing techniques, and more, visit Ian Fieggen's Shoelace Site