It is ritual, ceremonial, and it is symbolic in nature as a tribute and recognition, a piety. Because red, blue and black are the colors of Satan and this goes back as far as the days of Ancient Egypt, which was known as the Black and Red Earth and was the abode of Spiritual Alchemy. In turn, Spiritual Alchemy is known as the Path from Blackness to Redness. It is interrelated and has allegorical overtones.