Also score rack . A wall-mounted, usually wooden rack with several numbered shelves to hold each player's pocketed balls, used for keeping score between players of games in which points are awarded by the numerical values on the balls. Scoring racks remain common in places where rotation and related games are popular, e.g. Mexico, but are rare where these games have mostly died out . Also known as a counter rack . Sometimes ambiguously called a wall rack or ball rack .