In achromatic embroidery, the effect is due to glare, which is obtained by reflecting light.
The Kanatitsa symbol is one of the most widespread in the world. The triangles in it are called scissors and are the main components. The pairs of triangles whose vertices touch symbolize the masculine and feminine beginnings. Their "connection" at the top represents the creation of a family, and the triangles below and above them are the generation they leave behind. This symbolizes the eternal cycle of life.