fermented herrings and the horrors of the known?

I was checking stuff to do with fermented herrings for my sons’ birthday. (never had that before..) eg how to eat: http://minareceptsamlingar.blogspot.co.uk/2007/08/fermented-herring.html reads very similar to http://www.sweden.se/eng/Home/Lifestyle/Food-drink/Reading/10-things-to-know-about-Swedens-food-culture/ and http://www.youtube.com/watch?v=DmaedvVBkV8… I thought to get rivita (similar to swedish bread or/and some wraps and do so potatos, baked beens, fried + fresh unions, some fresh tomatoes, preppers […]