Understanding the Concept of פסיק רישיה (P'sik Reisha): When an Allowed Action Causes a Forbidden Result with Two דרבנן. When Is One Allowed to...
Part #2. Pulling off a hanging thread from a jacket, socks, etc., and removing a loose button;
מחמת חסרון כיס Machmas Chesron Kis: Bottom Line on a Loose-Leaf;