Kli SheMelachto LeIsur
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In the laws of Shabbat, Kli SheMelachto LeIsur (A tool whose defined use involves work forbidden) is one of the types of muktzeh, which is - an item that is typically used for activities that are forbidden on Shabbat. Under certain conditions, the sages permitted the use of these utensils, provided that they are intended for a use that is allowed on Shabbat.[1]