https://thornhillkollel.com/wp-content/uploads/2016/02/shabbos-perek-yud-zayin-mishna-4-muktzeh-machmas-chisaron-cis-moving-utensils-on-Shabbos.mp3“shabbos perek yud zayin mishna 4 muktzeh machmas chisaron cis, moving utensils on Shabbos”.