What specific yogic practices and extraordinary abilities of Sai Baba are mentioned in Chapter 7?

Chapter 7 describes some of Sai Baba's remarkable yogic abilities, highlighting His mastery over His physical form. The text mentions His practice of Khanda-yoga, which is described as the disjointing of His own limbs, including hands, feet, and head, and then rejoining them as before. It also notes other experiments like Dhauti, a method for cleansing the stomach. These accounts, as detailed in Chapter 7, illustrate the extraordinary control Baba had over His own body, which He sometimes used to bear the sufferings of His devotees, showcasing His profound spiritual power.