What are the circumstances needed to consider one's actions "מדידה של מצוה" (measuring for a mitzvah).
using Suspenders, Bending a Spoon or Fork Back into Shape, Detaching Two Tissues, Bending Back the Frame of Eyeglasses, and Putting Foam Stuffing in...
plastic caps with tail bands;
Is one allowed to wear shoes that have letters, numbers or pictures on the bottom.