Soak The Herring In Cold Water For 10 To 12 Hours, Or Follow The Directions On The Package. Drain Them. Mix The Sugar, Vinegar And Water In A Separate Bowl. Add The Allspice, Bay Leaf And Onion. Pour The Dressing Over The Herring And Refrigerate For 2 Hours. Cut The Herring In 1 Cm Thick Slices, Cover With Dressing And Garnish With Red Onion Rings And Dill Sprigs. Refrigerate For At Least Two Hours. Slice The Herring And Place In Serving Dish. Add The Remaining Dressing And Garnish With Red Onion Rings, Cloves And Dill.