I started aimimg for shoulders about 10 years ago on the advice of a hunter who I respected.
I have found more cases of the animal hitting the turf while aiming for shoulders than with slightly behind.
But... I have found no hard and fast rule. If I have found anything, it is that every situation and animal can be different.
The one thing I can say though is that ALL cases of the animal going right down without a twitch have been CNS shots. All shots on the shoulder where the animal goes right down theres always a "chicken dance" and leg kicks.
