Anecdotally, I actually tested this one time. I pulled out my phone and launched the compass app. My dog was PERFECTLY aligned and was facing north while poopin

Anecdotally, I actually tested this one time. I pulled out my phone and launched the compass app. My dog was PERFECTLY aligned and was facing north while pooping. Never tested it again, tho. But if it was a fluke, it was a very impressive one.