Mechalyah Leh Lishvach [Part 2] (Bitul and Blios #23 - Shulchan Aruch 96:1-3)

Mechalyah Leh Lishvach [Part 2]: Mechalyah for foods; Knife of unknown status (safek, factory, food service); Wine and whisky; Common examples of knife halachos. See seforim by Rabbi Cohen at www.kashrushalacha.com