Soccer drill: finishing after a cross

Player A delivers a cross towards the far post to incoming player one. This player tries to finish on goal.
After this it is player B's turn, who sends a cross in the direction of the far post to player two, he also tries to finish.
Player A sends a cross to player three at the far post, player three hits the goal.
Player B sends a cross to player three at the far post, player three shoots at the goal, player four shoots at the goal
.
The players who finish (players one to four), shoot the ball back to the players who cross the ball.
Players one to four swap as follows:
After two to three minutes, the players who finish and cross swap.
Try to do this five times in a row. As an element of the competition you can keep track of which player scores the most goals.

Points of attention

The goalkeepers must be concentrated and ready for the crosses, and have a good starting position.
The goalkeepers are allowed to take the ball at all times
Players who finish on goal run straight at the ball, and not around it.
A rebound may also be completedCoach
the players to time their runs well.