The Challenge of Barrel Awareness
The barrel is part of the picture, and you can’t “unsee” the barrel!
Once a shooter accepts the muzzle as part of the picture and, through the mounting drills, gets their brain to deal with it and keep it in the periphery, life as a shotgun shooter gets really fun.
However, until then, it is a battle to see the target at distance and be aware of the barrel so much closer to you.
In the beginning, shooting a shotgun at a moving target is one of the most visually confusing things a human being can attempt. The three-bullet drill has been the salvation of many shooters worldwide. It just works!