According to Chapter 7, what were some of the extraordinary yogic practices Sai Baba performed that demonstrated his mastery over his physical body?

Chapter 7 of the Shri Sai Satcharitra describes some of Sai Baba's incredible yogic abilities, which included his practice of Khanda-yoga. This practice involved the disjointing of his limbs, where his hands, feet, and head were sometimes separated from his body and then joined back together as before. The text also mentions his performance of experiments like Dhauti, which is a method for cleansing the stomach, and Poti. These practices showcased how Baba toiled for others, even wearing out his own body and bearing the sufferings of his devotees, demonstrating his profound spiritual mastery.