A composite Knot of six crossings consisting of a Knot Sum of a Trefoil Knot and its Mirror Image. The Granny Knot has the same Alexander Polynomial as the square knot. The square knot is also called the Reef Knot.
See also Granny Knot, Mirror Image, Trefoil Knot
Owen, P. Knots. Philadelphia, PA: Courage, p. 50, 1993.