What they do understand, is a formidable stance. My 2 cents; give no ground and be on high alert. A bad-ass dog and a Glock would be on my shopping list too. This way you don't have to lie at all about YOUR ride...cause if your car is approched you can shoot whats left of your dog's meal.
"A smile relieves, the heart that grieves" Glimmer Twins c1981