In this Torah shiur (class) on Hilchot Shabbat, Rabbi Shimon Isaacson discusses the eight issues relating to brushing teeth on Shabbos.

In this Torah shiur (class) on Hilchot Shabat, Rabbi Shimon Isaacson introduces the Av Melacha (primary prohibited activity) of Memachek (smoothing), and its toldah (sub-category) of Memarei’ach (spreading or scraping). The class included a discussion of using ointments on Shabbos.

In this Torah shiur (class) on Hilchot Shabbat, Rabbi Shimon Issacson discusses the prohibition of hanging up wet clothing to dry on Shabbat, as part of the prohibition of marit ayin (giving the impression that one has transgressed a Torah law), as hanging up wet clothes can give the impression that one has recently laundered them.

In this Torah shiur (class) on Hilchot Shabbat, Rabbi Shimon Isaacson reviews the prohibition of sechita, wringing out a wet garment or fabric, as this act is an integral part of the laundering process.

In this Torah shiur (class) on the laws of Shabbat, Rabbi Shimon Isaacson discusses whether one can clean a garment without using a liquid medium.

In this Torah shiur (class) on the laws of Shabbat, Rabbi Shimon Isaacson begins explaining the Shabbos prohibition of cleaning and laundering clothes and fabrics.

In this Torah shiur (class) on Hilchot Shabbat, Rabbi Shimon Isaacson analyzes the prohibition of erasing on Shabbat, focusing on the issue of cutting cakes with writing.

In this Torah shiur (class) on Hilchot Shabbat, Rabbi Shimon Isaacson continues his discussion of the prohibition of writing on Shabbat, focusing on the halachic definition of writing in languages other than Hebrew.

In this Torah shiur (class) on the Melacha of Kotev (writing), Rabbi Shimon Isaacson reviews the practical applications of Hilchot Shabbat, including the halachot of making puzzles on Shabbat, writing on cakes, and using a magnet board.

In this Torah shiur (class) on the Melacha (Shabbat prohibition) of Kotev, Rabbi SHimon Isaacson explains the need for the writing to be lasting, (kayama) in order for it to be considered a complete Torah transgression. In addition, Rabbi Isaacson examines the issue of writing in other languages.

In this shiur (Torah class) on Hilchot Shabbat, Rabbi Shimon Isaacson begins teaching the melacha (Shabbat prohibition) of Kotev, writing or engraving.

In this Torah shiur (class) on Hilchot Shabbat, Rabbi Shimon Isaacson introduces the melachot (Shabbat prohibitions) of Kotev, writing, and mochek, erasing.

In this Torah shiur (class) on Hlchot Shabbat, Rabbi Shimon Isaacson looks at the principles and applications of the prohibition of Kosher, tying knots on Shabbat.

In this Torah shiur (class) on Hilchot Shabbat, Rabbi Shimon Isaacson introduces the Melacha of Kosher, the prohibition of tying a permanent knot on Shabbat.