Describe the specific posture Sai Baba assumed that was significant for his devotees and explain its meaning.

The source text highlights a particular posture that held great meaning for devotees. Chapter 22 describes how Baba would sit with his right foot resting over his left knee. In this position, the 'moon of the nail' on his right big toe would become visible and serve as a powerful object of meditation. This was especially significant for devotees who had a 'longing for the sight of the moon,' a metaphor for seeking a divine vision. By providing this clear and accessible focal point, Baba fulfilled the 'curiosity for a vision' at his own feet. As Chapter 22 explains, this posture was an 'easy way' Baba showed his devotees to help them fix their gaze and concentrate their minds during worship.