
Server serves the ball to middle back. The person in left back is dropped from the front so they move to the outside. The person in right back drops back to middle back where they belong. The two stacked at the front are the right front and the setter once the ball is passed the setter moves out and right front drops back for their approach.
This practice has no coaching points
This practice has no progressions
New hitters rarely miss because of their arm. They miss because of their feet. Build a reliable approach, then time it with your setter.
When your hitter gets stuffed, five teammates standing and watching is how you lose the point. Good attack coverage turns a blocked ball into a second swing.
Coaches spend hours correcting arms in serve receive when the real fault is almost always the feet. Fix the movement and the platform fixes itself.