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Dear Dr. Vinny,

Do regular-sized openers—corkscrews, Ah-Sos, etc.—work on larger-format bottles such as the 3- and 6-liter?

—Greg F., Bethel, Conn.

Dear Greg,

They should. Sometimes a larger-format bottle might have a cork that’s wider, but it’s usually about the same length. That doesn’t mean they’re simple to open—I’ve found that these corks are more likely to be dry and brittle, probably because the bottles have been stored upright, not on their side.

Because of that, I recommend using the two-pronged “Ah-So” opener, and to go very slowly.

—Dr. Vinny

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