Pop Warner shows 1890s football equipment and explains to his modern 1931 team how the game was played. Pop Warner shows 1890s football equipment and explains to his modern 1931 team how the game was played. Pop Warner shows 1890s football equipment and explains to his modern 1931 team how the game was played. Pop Warner shows 1890s football equipment and explains to his modern 1931 team how the game was played.