Demonic Summoning: A How To

Once again, we look at a coin with two sides. We dance along the edge, that tin sliver with the grooves. Perhaps by seeing both sides of this thing, we can get a greater grasp of its essence. 

Also, disclaimer: we once more have a narrator that is meant to be disagreed with. This should be obvious by how I've crafted him, but I really, really don't want you taking what he says to heart.