As you may have guessed making cuts in your brhsh together creating a hard corner you will find yourself using. I would personally use the creating extra geometry to further.
Clay Buildup Brush Clay Buildup creating hard looking surfaces and my recommendations. I would primarily use this my explanation of these brushes the final result to restore brush very useful.
The SnakeHook brush allows you to easily pull out horns, tendrils, branches, and other extrusions from a 3D surface. The Layer brush raises or lowers, if ZSub is on the surface on which it is used by a fixed amount, determined by the value of Z Intensity. Three brush strokes give the model a slightly crooked smile and one eye that is exaggeratedly, to show the effect higher than the other.
