Two players, cushion it back. Meet the lofted ball and head it softly down to the server's feet with a giving contact.
Just a server and a header. The server lofts it and the header cushions it softly back down to the server's feet. Emphasise a soft, giving contact and heading down. Keep the load age-appropriate. Rotate.
Fork it into your private drills, then change the animation, adjust positions, swap equipment, or drop it into a session block.