A 'looses' the ball to M1 and starts running along the sideline.
While running A receives the ball from M1.
A dribbles to the 9-meter throw line and throw the ball to M2, after which A turns.
At the same time B starts running along the sideline and M2 throws the ball to B, while A also tries to catch the ball.
If B gets the ball she dribbles to the 9-meter throw line and passes the ball to M1, after which B turns around.
At the same time C starts running along ......

After A has tried to steal the ball under M2's throw, she runs behind her own line.
The same for B and the others.
It is important, that the passes to the goalkeepers are adjusted in accordance with their skill in catching and performing long throws.

VARIATION:
The pass to the goalkeeper is replaced by shooting from the 9-meter throw line.
The goalkeeper must block the shot, before she picks up a new ball, which is placed by the goal and throw it to the running player.