Capers are very common in my family's refrigerators, but still mostly used for a single dish (Königsberger Klopse). And the jars have been tiny for as long as I

Capers are very common in my family's refrigerators, but still mostly used for a single dish (Königsberger Klopse). And the jars have been tiny for as long as I can remember. So it seems to be a universal design decision.