When you are creating artwork, you might wish your brush strokes or inking would be smoother and more fluid. These are exactly what brush smoothing and the dynamic brush were created for. These will help take the shakiness out of your hand and allow you to draw more fluidly. There are two ways to accomplish this: the brush smoothing tool options on the Freehand Brush Tool, and the Dynamic Brush Tool.
While using the Freehand Brush Tool, the first drop-down on the Tool Options docker lets you change the smoothing. This will help your brush strokes achieve a smoother result. By default, your brush strokes will not have any smoothing applied. Depending on what type of smoothing you have selected, you will be given additional options.
Options like Weighted Smoothing will give you additional options.
Reduce the shakiness of your brush strokes by adding mass and drag. This produces similar results as the Stabilizer option on the Freehand Brush Tool. Drawing things like spirals can give you nicer results. Set to low settings, you can even use this as a replacement for the default Freehand Brush Tool.
Dynamic Brush Tool – Creates smooth brush strokes by adding resistance and mass.
There is also a dynamic brush engine that exists in the brush editor. They share similar properties. The Dynamic Brush Tool has a few options for you to tweak.
Increasing the mass for the Dynamic Brush gives smoother results.