How To improve tennis technique quickly With Split method -Hillary(9)

Hillary is nine, Playing three years, with good footwork but bad body weight transfer and wrist control.
After only 80 minutes of Mili’s split method treatment, As you can see little Hillary improved a lot and it was only the first half of the treatment.
But the most difficult part was done.
Fortunately the girl is with very good coordination and that’s why the result came that fast.
More about the methodology on the website Tennis method. com

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Is he throwing it from behind her so that she has to extend her contact point to meet the ball?