@KeepTakingTheSoma @TriptychTwinsRidesAgain No idea, the only thing I've turned up so far is "Red right hand" a reference to the devil in Milton's Paradise Lost.

...This Hell then seemed
A refuge from those wounds. Or when we lay
Chained on the burning lake? That sure was worse.
What if the breath that kindled those grim fires,
Awaked, should blow them into sevenfold rage,
And plunge us in the flames; or from above
Should intermitted vengeance arm again
His red right hand to plague us? What if all
Her stores were opened, and this firmament
Of Hell should spout her cataracts of fire,
Impendent horrors, threatening hideous fall
One day upon our heads; while we perhaps,
Designing or exhorting glorious war,...