Tamrapichaisongkram is canon of texts concerned with the defensive arts which had been in use since the Ayutthaya Era. These canon of texts describe how military success can be gained by a combination of strategic and supernatural methods, dictating an arrangement of troops conducive to each arena of war.In this image of a mythological bull, กองพันหน้า refers to the vanguard. The กองพันหน้า was led by the Front Palace Viceroy first into battle, working in close concert with His Majesty, The King.