Reply To: Opening Soda Cans on Shabbos: Mutar or Assur? Home › Forums › Shabbos! › Opening Soda Cans on Shabbos: Mutar or Assur? › Reply To: Opening Soda Cans on Shabbos: Mutar or Assur? July 20, 2009 3:54 pm at 3:54 pm #650615 Darchei NoamMember cherrybim: It isn’t matter of “minhug” but rather “halacha”, and how ones Rav interprets halacha.