A canning ring refers to a circular metal band used to seal canning jars tightly. It helps to prevent air and bacteria from entering the jar, keeping the food inside fresh and safe to eat. Full definition
A single can rings it at the same price as a latte from your favorite fancy cafe. (instyle.com)
Many of us are familiar with the image of soda can rings posing danger to marine animals from a couple decades ago, but that was just the tip of the iceberg. (treehugger.com)
I hope those of you who have worked in shelters can ring in on my assumptions about shelters. (upforpups.org)