Understanding the Difference Between the Melacha of Kotzair-קוֹצֵר (Reaping) and Gozez-גּוֹזֵז (Shearing);
removing Tags from Clothing and Removing Pins from a New Shirt;
(Squeezing materials.) how to work with various types of brushes on Shabbos. (E.g., toothbrush, baby bottle brush, etc.);