Who are the three Buddha heads on the magic pestle?

That's the head of Puba King Kong, the god of the magic emblem. Puba King Kong was black and blue, with three heads, three eyes, six arms and four feet. A blue head in the middle shows the anger of the bodhisattva "Jingangpani" and the general trend of the "meaning" of the buddhas; The white on the right represents the anger of Manjusri Bodhisattva and the "body" of the Buddhas; The red color on the left represents the anger of Amitabha (or Guanyin Bodhisattva) and the words of the buddhas. There are two teeth in each mouth, and two teeth are down.