Combine the cranberry juice, apple juice, brown sugar and salt in electric slow cooker or large saucepan. Stir until sugar is dissolved. Tie cinnamon sticks and cloves in cheese cloth and place in liquid. Cover pot and cook for 2 hours on low. Do not boil. Electric slow cooker or crockpot works great. Remove spices and serve. Yield 28 - 4 ounce servings.