Which of the following products was NOT associated with hockey during the 1910s and 1920s?

During the 1910s and 1920s, hockey was primarily gaining popularity as a professional sport in Canada and parts of the United States. The media landscape of that era was beginning to evolve, with newspapers playing a crucial role in covering sports and specifically hockey. They provided vital information about game scores, player statistics, and team standings, thereby fostering a deeper connection between the sport and its fans.

Similarly, radio broadcasts emerged as a significant medium towards the end of the 1920s. They revolutionized the way fans engaged with hockey by bringing live play-by-play coverage into homes, creating a new avenue for fans to experience games and bringing the sport into the mainstream consciousness.

Hockey equipment, including sticks, skates, and protective gear, also became more advanced and widely manufactured during this time, supporting the growing numbers of players and the overall development of the game.

Airlines, however, were not typically associated with hockey during the early 20th century. While commercial aviation was in its infancy, most travel for teams was conducted by train, which was the primary mode of transportation for athletes and fans alike at the time. The airline industry did not become integral to sports travel until much later, thus distinguishing it from the other products listed