Like a poem, every chorus ends a little differently, a variant on what this character is doing with his "red right hand." None of it good. It's shorthand murder music. And it's ominous.

As such, the original red right hand in the poem is an appropriately Biblical threat: "What if the breath that kindled those ...

John Milton’s 17th-century poem Paradise Lost, which in this film is evoked in sermons delivered by Garret Dillahunt’s preacher character Wilder. Divine vengeance. The “red right hand” of God.