This possession based practice encourages players to create overloads in specific areas of the pitch. In this practice, the defending team can only have maximum of 1 player per grid whereas the attacking team can have a maximum of 3 players per grid. 

The attacking team must move the ball into at least 5 of the 6 grids before attempting to score in any of the mini-goals. If the defending team win possession, they can immediately score into any of the mini-goals.