"You guys have a weird setup with that," he notes. "Okay. So this is a pretty specific one. Crossroads demons - their whole thing is getting people to trade their soul in return for a wish. And because of that, they have to make it easy for people to reach them."

He goes around to the trunk as he talks and opens it to rummage through. "The way you do it is to bury a box with specific ritual items at the crossroads."