The reef knot, or square knot, is an ancient and simple binding knot used to secure a rope or line around an object. It is sometimes also referred to as a Hercules knot or Heracles knot.

Take two ropes and cross them (red over blue) to form a half knot. Cross them a second time (red over blue again) and pull the ends tight to form the Square Knot. Found in: Basics, Horse & …

This leads surgeons to add an extra turn to the first half knot. The simple and ancient binding knot is also known by the names Hercules, Herakles, flat, and reef knots.

Oct 22, 2025 · Need a quick knot that’ll hold fast? Look no further than the square knot, also called the reef knot! The square knot is a simple beginner’s knot with many practical uses.

The Reef Knot—also known as the Square Knot—is as simple as tying your shoes. In fact, it is tying your shoes. Step 1: Hold rope Hold one end of the rope in your left hand and the other …

Nov 21, 2025 · The square knot (Reef knot) is a simple binding knot used for shoelaces and packages. It's quick to tie but not suitable for critical or heavy loads.

The Square Knot has been around for thousands of years, originally used by sailors to reef sails—hence the alternate name "Reef Knot." It was also widely used in the medical field for …