1.
Make a box on the neck.
Rename as neck_ctrl
2.
Move pivot to the neck joint.
Freeze transformations.
3.
4.
Make a box on the head.
Move the pivot to the head joint.
Freeze transformations.
5.
Rename as head_ctrl.
Now I am going to constrain the joints to the boxes.
To constrain joints to the boxes use Parent Constrain.
6.
Select the neck box and the neck joint.
Apply Parent constrain.
7.
Select the head box and the head joint.
Apply Parent constrain.
Attaching HEAD_CONSTRAIN_grp to head_ctr with Parent Constrain
9.
10.
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