Which advanced yogic practice involving the separation of body parts is attributed to Sai Baba in Chapter 7?

The specific and astounding yogic practice mentioned in Chapter 7 is Khanda-yoga, which is described as the disjointing of one's limbs. The text recounts how Sai Baba would engage in this practice, sometimes separating his hands, feet, and head from his torso, and then rejoining them back together as before. As Chapter 7 explains, these experiments were a testament to his complete control over the physical body and showed how he would wear out his own form, even bearing the sufferings of his devotees upon himself, highlighting his immense spiritual power and compassion.