To move the most recently created joint
in the joint chain you are drawing
With the Joint Tool and
most recently created joint active, do one of the following:
-click
the joint.
The joint’s transform
manipulators appear.
-click
the joint and drag it to its new position.
After you move the current joint, click
in your scene view to continue creating joints for your joint chain.
Press the (Linux
and Windows) or (Mac
OS X) key.
The joint’s transform
manipulators appear.
Drag the joint to its new position.
After you move the current joint, press
the (Linux
and Windows) or (Mac
OS X) key again and click in the scene view to continue creating
joints for your joint chain.
-click
the joint.
(Linux
and Windows) or 
(Mac
OS X) key.