Use the back end of a brush or tool of you choice and roll under the lower beak. This will create a lower jaw line. Use your x-acto and slice his little beak open. Squawk! Feed me! OK, back to business. Smooth the edges of the upper and lower beak. Pinch the end of the upper beak in both directions again giving it a refined look like a Close his mouth and use the larger needle tool to make a dot finishing the ends of the beak.