Learn advanced techniques for customizing Rigify in Blender, focusing on creating custom root controls and implementing multiple root systems. Explore manual and metarig approaches for custom root creation, adjust rotation modes for various rig types, and discover how to set up two roots using both manual methods and scripts. Gain insights into creating switchable parent controls and developing post-generation scripts for Rigify. Perfect for animators and riggers looking to enhance their character setups with more flexible and powerful root control options.