Insert sticks into apples. Microwave 1 1/4 cups peanut butter chips and 1 tbsp shortening in bowl for 1 min. In another bowl, microwave 2 bags unwrapped caramels and 3 tbsp water for 2 min. stirring often. Dip apples in caramel and set on foil, coated with non-stick spray. Sprinkle with toffee bars pieces, and drizzle with peanut butter mixture.