Here is a little bit of chapter two of the Pashupat Sutras for you to chew on. As usual, words and phrases inserted for clarification are in [brackets]:
Pashupat Sutras, Chapter 2, 1 – 11
of the player
of high standing
from which all wishes/desires arise [and] are satisfied
and in this case, the inauspicious becomes auspicious
and what is to the Left moves to the Right.
Therefore, worship in both ways
like worshipping gods and ancestors,
but both kinds, gods and ancestors, are in Rudra.*
[So worship only Rudra for the cessation of all sorrows, since both are in Rudra anyway.]
* Rudra: “Roarer or Howler.” The roaring, benevolent, purifying fire, bestowing strength and power and driving away all evil, said to have sprung from the forehead of Brahmaa (the Creative aspect of God).