You can reduce errors by mastering the proper follow through. You can also improve your control by focusing on your shot follow through.
Backswing video links: The concept:
Drill and exercises:
Focus on using your shoulder for strokes. Minimize the wrist and take the elbow completely out of your stroke. Follow through to where you want the ball to go and watch your game improve.
Tony Roig 
In2Pickle Player Development
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