How to set unaffected by IK of Descendants

How to set unaffected by IK of Descendants

To set unaffected by IK of Descendants

Step 1

To set IK for head, the first thing to do is to press the M key to bring out Motion Option panel. Later, you need to set the 3 bones, which are highlighted in the picture to Unaffected by IK of Descendants one by one.