}}</ref> [[Dick Irvin]], who was a star player in the [[Western Canada Hockey League|WCHL]] and [[PCHA]] – and who later coached Geoffrion with the [[Montreal Canadiens|Habs]] – was also renowned for having a hard and accurate slap shot. Growing up in Winnipeg in the 1890s and 1900s, he would practice shooting against a doorknob in his attic during the winter months for accuracy. In the summertime, Irvin would draw a chalk outline of a net onto his family's sled garage, and practice one-timers off a piece of wooden board embedded into the ground.<ref>{{cite news| url=https://news.google.com/newspapers?id=DTMjAAAAIBAJ&sjid=WJkFAAAAIBAJ&pg=7222,3691356&hl=en| work=The Montreal Gazette| title=Dick Irvin Was a Dedicated Player: Practiced Profusely, Loved Hockey | date=May 17, 1957}}</ref>
During a [[ice hockey|hockey]] game, a [[Hockey puck|puck]] can reach the speeds of {{convert|100|mph|km/h}} or more when struck. The current [[National Hockey League|NHL]] speed record is held by [[Zdeno Chára]] of the [[Boston Bruins]] clocked 108.8 miles per hour (175.1 km/h)