The mark to which I refer will be applied in the hand or on the forehead. The Earth is about to go through an astonishing cataclysm and the recovering civilization will use technology to herd the masses. Do Not Accept The Mark when commanded to you ... if you survive the initial cataclysm.
Jeez, I would think that such clever, supernatural demons would have the ability to control us without having to ‘apply’ anything. That seems kind of clunky and old-school.