Mike Austin would constantly stress to me that you want to hit the center of the golf ball with the center of the club face.
You could hear the difference and he often commented on the the sound of hits. He did not want a dull thud. He wanted a lively thwack.
In addition, you could see the difference in hits. Often, Mike would grab my club and take a look at the face.
I’ve tried to work hard on my game recently with success. Broke 70 last week and had a great practice session yesterday.
At one point I stopped, thought of Mike’s club face comments and took a gander at the face of my 4 iron.

As Mike would say,
“Now that’s hitting the center of the ball with the center of the club face.”
The impression is the result of the measurements taken at address and the precision hitting stemming from Mike Austin’s action.
While practicing, be cognizant of the sound of impact. And, every so often take a look at your club face.
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