“If I were going to swing something, I think it would be a wooden baseball bat or similar. I would go for the base of the skull...”
What if you go for the small of the back, just above and forward of the hind legs, to break the back bone and cripple the dog before finishing it? (Asking for a friend who doesn’t know.)
Your friend may be on to something, lol.
Assuming of course, he didn’t lose his .357 or 12 gauge loaded with #4 buck shot in that boating accident.
My friend told me those both work really well.