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The Sefer Halichos Uminhagai Shabbos Kodesh and Shabbos M'vorchim is a compilation of the customs of the Lubavitch Rebbe'im relating to all aspects of Shabbos.

A comprehensive overview, it encompasses the pre-Shabbos activities beginning with Thursday night, detailing the Rebbe'im's minhagim over the course of Shabbos, and Motzoei Shabbos.

The Sefer includes a large supplement focusing on Shabbos M'vorchim, its customs, and insights.