Screw-top cans keep oil finishes fresh, but removing the cap is usually a struggle after the can sits for awhile.

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Screw-top cans keep oil finishes fresh, but removing the cap is usually a struggle after the can sits for awhile. I avoid this problem by laying a plastic shopping bag over the can spout before I screw on the lid. After I tighten the lid, I trim away the excess plastic. The lid screws on tightly over the two layers of thin plastic and twists off easily later.

—John W. Bennett, Shelton, Wash.