Set Biasing
Change the biasing factors associated with each handle.
- From the Morph ribbon, click the arrow next to the Morph tool set name and select Set Bias.
- 
                In the Morph Set Bias dialog, select handles for which you
                    wish to apply biasing and click  . .
- For Bias, enter a value.
- Select the Make Retroactive check box to adjust the morphs currently applied to the model to reflect the new biasing factors.
- Select a biasing style.
- Click Update.