A foul ball on the third strike will be an out. No metal spikes will be permitted, and catchers must wear a catcher's mask. The player that enters the game as a substitute will take the departing player's position in the batting order. Only those players who are fielders are eligible to bat. If a player chooses to leave a game or is ejected from the game and is not replaced with a substitute player, then every time that player would have batted, it will be considered an out.
Any bat is legal as long as it can be used by both teams.
The ball must hit the carpet in order to be called a strike. A ball landing on home plate is also considered a strike. The ball must have an arch no less than 6 feet and no higher than 12 feet.