Of course, they differ about which part, but that does not seem to bother them in the least.
Craniosacral therapists allege that the skull can move and be manipulated.
Some claim to remove blockages to the flow of cerebrospinal fluid. Some claim to realign the skull bones. Actually, the bones of the skull fuse early in life and cannot be moved independently. Iridologists claim that states of health and disease can be diagnosed according to the color, texture, and location of various pigment flecks in the eye. They may also claim that the eye markings can reveal a complete history of past illnesses as well as previous treatment.