漬つけ物もの石いし

noun

pickle weight; stone weight for pickles

A heavy stone placed on top of vegetables in a pickle press to aid fermentation and keep them submerged.

• 祖そ母ぼは漬つけ物もの石いしを使つかってぬか漬づけを作つくる。

  My grandmother makes rice-bran pickles using a pickle weight.