https://www.gardeners.com/buy/kilner-fermentation-set/8595391.html?utm_campaign=PLA&utm_medium=googleshopping&utm_source=google&SC=XNET0146&gclid=EAIaIQobChMIjqHZ5ti96AIVidlkCh1ohwlHEAQYBSABEgLdbPD_BwE The instructions for this product tell you to press the stone until one gets the "wanted taste", however this is impossible unless one opens the jar!
A collection of thoughts for both logical and illogical things.