Coach dumps puck in the corner to X1. X1 puck protects and keeps possession of the puck while D1 defends and takes away time and space.
On the whistle X1 attempts to create space and pass to X2. X1 takes X2 place in the drill.
On the same whistle Coach dumps puck in opposite corner for X3 and D2 to battle. Next whistle X3 passes to X1 and the drill continues as such.