Civic Archaeological Museum of Bologna: The tiet or tit, also called the knot of Isis or the Isiac knot, was a powerful Egyptian amulet that appeared during the New Kingdom, which ensured protection in life and during the journey to the afterlife, connected to the cult of Osiris and originally also called the Knot of Seth or Knot of Life.The knot as a magical symbol, Egyptian and otherwise, represents a point of convergence between human and divine forces and what was tied by Egyptian magicians on this earth would also be tied in heaven.