Most medals may also be represented by a square knot insignia.
The square knot insignia is an embroidered green square knot on a cloth khaki patch.
It is closely related to the square knot, which can also be described as a connected sum of two trefoils.
The devices may be used on medals and on the square knot insignia.
These insignia are small cloth patches with an embroidered square knot or other emblem that represents the actual award.
It is a more secure replacement for the reef knot (square knot), especially in its doubled variety.
It is considered inferior to the reef knot (square knot), which it superficially resembles.
The square knot insignia is an embroidered green and white square knot on a cloth khaki patch.
