1 self-rebounds and outlets to 3, who takes one dribble or two and headmans to 4 for a layup. At the same time 2 self-rebounds and outlets to 5 who dribbles and headmans to 6.
The headman pass can up the sideline (shown for 4) or on a cut to the basket (shown for 6).
1 and 2 move to the back of the outlet lines, 3 and 5 are the next shooters.
Variation - for headman passes to rim runners, shooters start from the center circle and cut to each basket.