https://thornhillkollel.com/wp-content/uploads/2016/12/shekalim-perek-ches-mishna-1-what-status-does-spittle-found-in-yerushalayim-have.mp3“shekalim-perek-ches-mishna-1-what-status-does-spittle-found-in-yerushalayim-have”.