Collapsing

Collapsing (Front Defense) - The front of the net is covered. The whole slot area is protected. Shots are forced to come from the outside and many are blocked. High pressure is used when the puck is below the faceoff dots because of the outman situation that exists vs. the offense. 
Advantages 
Opponent shot distance up (2 meters) 
Opponent chance of shots down (5% + 1% PER LEVEL) 
Strong against front offenses 
Disadvantages 
No weaknesses.