Learn the contact safely. Meet the softly served ball on the flat of the forehead with a firm neck and eyes open, before height and pace are added.
The server softly serves the ball from close at a low height. The player learns the forehead contact and a firm neck, heading it gently back. Keep the load minimal and age-appropriate. Eyes open, mouth shut. Rotate roles.
Fork it into your private drills, then change the animation, adjust positions, swap equipment, or drop it into a session block.