If any of you collect these kitchen apparatuses —to see how many different kinds you can find — this may be one that is unique. There are so many unusual styles of jar openers. Of course, some of us still use a jar opener.
As you can see in the photo, this one is based on the pressure of a heavy wire acting like a spring. When the handles are compressed together, the ring is tightened over the lid of the jar.
The piece is 7 inches long and 3 1/2 inches wide.