After you apply the Avatar Controller.iProp from the Avatar Toolkit Vol. 2 into iClone, you will see the Controller panel for puppeteering the accessories from the pack as well.
However, you are able to define the puppet behaviors of the accessory by using the Avatar Builder.iProp (also from the Avatar Toolkit Vol. 2).
The settings by the Builder are to be mapped to the certain parts of the Controller as shown below:
