The 3 attackers are press players, who presses/piston moves against the defense and passes in the same rhythm.
The defending players must push forward and mark the attackers and then return quickly sideways with correct movements of feet to backup her teammate,
The play is done from side to side, and it is possible to practice with 4 teams on the court.
The players must switch being attackers and defenders.
Let the players try to defend on all the different positions.