The fermentation procedure proceeds during the can – 'souring' given that the Swedes refer to it – and results in a bulging tin of fermented herring. Or rotten fish, as some (incorrectly) would say. Regardless of whether you're keen on it or dislike it, Swedish surströmming is unquestionably very unforgettable. https://troybsgvk.theideasblog.com/29368649/helping-the-others-realize-the-advantages-of-thai-people-try-surströmming