Theoretical Hold Worksheet A document provided by the manufacturer for all slot machines, which indicates the theoretical percentage that the slot machine should hold based on the amount paid in. Weight count is an American term, referring to the dollar amount of coins or tokens removed from a slot machine's drop bucket or drop box and counted by the casino's hard count team through the use of a weigh scale. If the player fails to hit the bonus during these "standby games", it is added to the "stock" for later collection. The audio is poor or missing. Casinos built under the provisions of the Act are allowed to house up to twenty machines categories B to D or any number of C or D machines instead. Most recent customer reviews. However, this is not mandatory and can be changed from game to game.