https://thornhillkollel.com/wp-content/uploads/2016/01/shabbos-perek-yud-gimel-mishna-1-how-much-must-a-person-weave-on-Shabbos-to-be-liable-for-a-korban.mp3“shabbos perek yud gimel mishna 1 how much must a person weave on Shabbos to be liable for a korban”.