Volleyball drill: underhand technique and overhand technique

-once 1 ball and for yourself, count how many! underhand and then overhand and then underhand again Trainer throws ball over the net and player keys the ball into the bucket at midfield. Wide ball and slightly away from the net. They want to play too sharp on the net so pay attention to that. 2 with 2. Throw ball over the net and then oh the second ball bra and then the third ball also bra over the net. Keep ball in play so no scoring. Trainer throws ball over the net and player is standing at the net and has to move to the back. Play ball to catcher at midfield. Which is smarter bra or oh play?