"Yeah," Sam said with a sheepish chuckle. "Better safe than sorry, I suppose. Not that keeping your back to a wall is very safe when what you're hunting goes through them," he said offhandedly as one possibly could, "but most things are fairly corporeal, so it's good practice. It's actually kind of a wonder that I don't have even a pocketknife on me right now, too. I actually feel kind of naked without one."