What yogic practices or unusual physical feats of Sai Baba are described in Chapter 7?

Chapter 7 of the Shri Sai Satcharitra describes some of Sai Baba's extraordinary abilities, highlighting His mastery over His physical body. The text mentions His practice of Khanda-yoga, a miraculous process where He could disjoint His limbs—hands, feet, and head—and then rejoin them as before. It also notes His experiments with other yogic practices like Dhauti, which involves cleansing the stomach. According to the chapter, Baba would wear out His own body and even bear the sufferings of His devotees, demonstrating these profound powers.