To move the 2 bone IK handle

1. See Pose joints with IK handles.

To manipulate the pole vector

1. Select the 2 bone IK handle.
2. Select the Show Manipulator Tool (hotkey: T) from the Tool Box.

   The IK handle’s pole vector, twist disc, and rotation disc appear.

3. In the current view, drag the pole vector to move it as desired.

   This rotates the joint chain controlled by the current IK handle.

To manipulate the twist disc

1. Select the 2 bone IK handle.
2. Select the Show Manipulator Tool (hotkey: T) from the Tool Box.

   The IK handle’s pole vector, twist disc, and rotation disc appear.

3. Select the twist disc.

   The twist disc turns yellow.

4. Press drag the twist disc.

   This twists the joint chain controlled by the current IK handle.