Tsantsa, or Tzantza, or more commonly known as a shrunken head in American culture. They served as religious and spiritual communions in rituals, to scare and ward off Invaders, prevent souls from avenging their deaths, and to even harness the power to control the spirit of the enemy connected to the head...

This head has seemed to take a liking to you, or the spirit behind the head. So it will follow you about, and collect shiny things for you...