My milk jug has a spot to hang a tool to slice the bag open : r/mildlyinteresting
Holy Cow! Milk in Bags | Bon Appétit
In some parts of Canada, milk is bought in bags. 3 bags are packaged in 1 bag totalling 4L(~1gallon). A plastic jug holds the bag while the corner is cut to pour
product design - What's the reason some places use milk bags instead of milk jugs or other means? - User Experience Stack Exchange
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Everyday Essentials Milk Pitcher With Bag Opener - 1 ea | Independent City Market