Draw a line on the ground perpendicular to the target and make practice swings trying to have the ground contact start right at the line or beyond it, never before. Once you repeat it 5 times in a row, put balls on the line and repeat.
The ground contact or the divot starts behind the ball; on video, the low point of the arc falls before the ball.
Frequently asked questions
What is the "The chalk line" drill for?
Move the low point in front of the ball
How do you do the "The chalk line" drill?
Draw a line on the ground perpendicular to the target and make practice swings trying to have the ground contact start right at the line or beyond it, never before. Once you repeat it 5 times in a row, put balls on the line and repeat.