Teams with a high penalty killing percentage are usually at the top of their league in the standings and are championship contenders. Successfully killing penalties can be the difference between winning and losing games. In a game a timely penalty kill can swing the momentum in a team’s favor which can lead to a win. A good penalty killing team can also play an aggressive style and have the confidence that the penalty killing can get them through. A coach’s philosophy and system play are very important in a successful penalty killing unit. Without the right individual players on the ice with the physical and mental skills needed to be a good penalty killers, the best system in the world will not work. This article, for players and coaches will examine the individual physical and mental skills to be a good penalty killer.