Understanding the procedure of DOSH and what exactly makes it one of our melachas.
Introduction to the Concept of עובדא דחול (Uvda d'Chol) in Relation to the Melacha of M'AMER;
Snapping with One's Fingers on Shabbos and Banging with One's Fingers on the Ground or on a Table;
Does the Melacha of Gozez Apply to Feathers on Cooked Chicken?;