What are the circumstances needed to consider one's actions "מדידה של מצוה" (measuring for a mitzvah).
Scratching One's Beard, Braiding a Wig (Sheitel), and Making Curls in a Wig (Sheitel);
חסרון כיס Chesron Kis: A Cell Phone Used as an Alarm Clock;
מחמת חסרון כיס Machmas Chesron Kis: The Status of a Loose-Leaf;