In the
hdox//houdini/content/base/tutorials/fm_07_guide_character_1008245.xml
tutorial (Bones) The Adding Kinematics to Existing Bones section tells you to draw bones with no Kinematics, which is fine.
Step 2 is Add Kinematics to the Bones which really does't tell me how to do it )
Also, in the Draw Bones with Kinematics bit, that would be a perfect place to link to an explanation of what is happening under the hood (the Kin CHOP basically).
Cheers,
Peter B