Players put their name on the line and the same line for the second half for two chances to win. After the lines are filled draw the numbers. Usually done with a deck of cards. 1 suits for each side, ace through 10. Ace representing the 1 and the 10 representing the zero. This is how you win add both teams scores at the end of each half. Example if dallas has 13 and jets have 14 in the first half you add the 13 and14 and you get 17 last digit is 7 and that is your winner. Add the final score at the end of the game and the last digit is your second half winner.