Suzanne Lenglen gives group tennis lesson to young people in Paris

A world tennis champion introduces a new school offering group lessons for children. The tutorial emphasizes two key techniques: holding the racket tightly and maintaining a straight arm during play. It covers both forehand and backhand strokes. The champion advocates for group lessons, highlighting their effectiveness, especially for children, over private lessons.

What is the goal of the tennis lessons being introduced?

Why are group lessons considered better for children than private ones?