http://www.wilson.com/en-us/football/footballs/nfl/nfl-duke/official-cfl-game-leather-football-official-size (Video if you scroll down)
Also:
http://www.wilson.com/en-us/football/footballs/nfl/nfl-duke/official-cfl-game-leather-football-official-size (Video if you scroll down)
Also: