A stone which is on the opening of a cask, one may tilt on its side so that it falls off. [If] it was among the [other] casks, one may lift it and [then] tilt it on its side so that it falls off. Money which is on a pillow, one may shake the pillow so that it falls off. [If] there was filth on it, he may wipe it off with a rag. [If] it was [made] of leather, we may pour water on it until it disappears.