1 The Mixer Brush mixes the current brush color with colors on the canvas.
2 You can load color on a mixer brush by sampling a color, either by using the Eyedropper tool
or keyboard shortcuts (Alt-click or Option-click). Or, you can choose Load Brush from the
pop-up menu in the options bar to load the brush with the foreground color.
3 To clean a brush, choose Clean Brush from the pop-up menu in the options bar.
4 You manage brush presets in the Brushes panel.
5 The Live Tip Brush Preview shows you the direction the brush strokes are moving. To hide or
show the Live Tip Brush Preview, click the Toggle The Live Tip Brush Preview icon at the
bottom of the Brushes panel or the Brush Settings panel.