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https://www.youtube.com/watch?v=EAcUlVEbAtg&t=891s
https://idealparentfigure.onrender.com/
Dan Brown's full attachment repair approach includes three pillars – mentalizing (or meta-awareness, often developed through meditation), collaboration (having a collaborative relationship with your facilitator), and the Ideal Parent Figure protocol. This course is just focused on the IPF protocol, not the full three pillar approach.
I've also gained a huge amount from energy healing and the Reichian character structures, and weave them into the IPF practices. If you are looking to learn more directly about the three pillar approach and IPF in its purest form, you can check out Mettagroup's courses.