Pull
The Pull command modifies the selected object by pulling
a section of the object along the selected axis away from the
remaining sections causing the effected verticies to adjust resulting
in a smooth object deformation.

Using:
- Click
on the pull button (Tools/Object Tools)
- Left click
on the object you want to pull.
- Drag to
pull the object in the desired direction and distance.
Adjusting:
- You can
adjust the starting point in % of the object from bottom to top,
and the finishing point of the section you want to pull, as well
as the factor or how sensitive the pull.
- Choose
the axis of the Pull by clicking on X,Y,or Z