Mirroring A Brush Effect; Using The Goo Brush Palette - ScanSoft SUPERGOO User Manual

You can also size the brush using the up and down arrow keys on
your keyboard. Use the up arrow key to increase the brush size
and the down arrow key to reduce brush size.
B
To set the flow of a brush:
Drag up over the Flow control to increase the flow of the brush,
and down to decrease. The higher the flow the more liquid the
image appears (i.e. colors streak more and distort easily).
The Flow control.

Mirroring a Brush Effect

Using the mirror control you can mirror a brush effect either vertically
or horizontally. When the Vertical Mirror button is enabled,
brushstrokes are mirrored along a vertical axis. When the Horizontal
34 Kai's SuperGOO User Guide
Mirror button is active, brushstrokes are mirrored along a horizontal
axis. If both buttons are enabled, brushstrokes are mirrored both
horizontally and vertically.
An effect mirrored horizontally, vertically and along both axes.
C

Using the GOO Brush Palette

The GOO Brush Palette consists of nine different distortion brushes:
Reset, Grow/Shrink, Move, Smear, Smudge, Nudge, Mirror Toggle,
Smooth, and UnGOO.