The metaphorical term "Rain check" was first used by baseball fans when a game was rained out, then those who had a ticket for that game were given a "rain check" which could be redeemed in future at another game. While the term was originally coined when the baseball game was canceled due to rain, the metaphorical term started to be used for other types of performances such as if they canceled it for other kinds of reasons other than rain. And, as the other reason indicates, this practice was picked up even by some stores to please their customers. For example, stores give a rain check to customers for items that have been sold out. If there is a particular item that a store normally carries but is not available due to a good deal, the store