4 (1 1/2 - pound) hard -
shell lobsters 8 pounds steamer (soft -
shell) clams, divided into two - pound servings and
placed in cheesecloth bags 4 ears fresh sweet corn, shucked and cut in half 4 medium Red Bliss potatoes, halved 4 medium sweet
onions (Vidalia, Walla - Walla, or Maui), peeled and halved 4 (6 - inch) links sausage, bias sliced into 2 - to 2 1/2 - inch pieces Sea water Rockweed (two five - gallon buckets should do) 1 pound drawn butter (for the lobster and clams), recipe follows Grilled lemon halves, for serving, recipe follows Chopped parsley (for garnish)