On a signal from the coach the 2 players, who stands in the corners, start running about 1-2 meters from the sideline.
The must get used to look back, so they are oriented when and where the ball arrives.
As soon as the direction of the throw is known, they adjust their running and placement in accordance with the throw.
It is an advantage if the players also learn to adjust themselves to a bad pass.
They don't have to shoot at goal, but just place the ball by the goal and run behind the opposite lines.
Remember that the exercise must be practiced in both directions