I picked this one up from Ken Pauly who is a very well respected coach in Minnesota high school hockey.
I like to use this drill a few times each year to just get the players to understand working hard along the walls and in the corners. This drill isn’t the typical gauntlet drill where you have each player try to crush the incoming skater. What we want to do with this drill along the wall is have the players create resistance by chipping the skater, not try to put him through the glass.
You can separate the players however you want to but I like having the centers up high and using them to act as support in front of the net. Once you get the timing down this drill flows real nice and works a number of important areas of the ice.