Use Grip Modes
 
 
 

To stretch using more than one grip

  1. Select several objects to stretch.
  2. Hold down SHIFT and click several grips so that they are highlighted.
  3. Release SHIFT and select a grip as the base grip by clicking the grip.

    The default grip mode, Stretch, is active.

  4. Move the pointing device and click.

    The selected grips act in unison and the selected objects are stretched.