Heat oven to 250°F.
Mix together cereals, pretzels and peanuts in two large foil baking pan, dividing mixture evenly.
In a medium-sized sauce pan over medium heat, melt butter. Add sugar and dissolve. Add corn syrup, shoyu, oil, Worcestershire sauce, and hot sauce. Stir until blended well. Pour over cereal mixture, one pan at a time, and mix well.
Put into oven for 15 minutes, remove from oven, and add a half a bottle of furikake to each pan. Mix around to evenly distribute furikake and sauce from the bottom. Continue baking for about 1-2 hours depending how crispy you want it, stirring every 15 minutes.
Store in an air-tight container. Serves 12.
Approximate Nutrient Analysis per serving:
580 calories, 38 g fat, 12 g saturated fat, 40 mg cholesterol, 650 mg sodium, 57 g carbohydrate, 4 g fiber, 22 g sugar, 9 g protein