How was the act of giving Udi connected to granting devotees permission to leave Shirdi?

In Chapter 33 of the Sai Satcharitra, the act of giving Udi had a very practical and significant role for devotees wishing to depart from Shirdi. It was a common practice for devotees to seek Baba's permission before starting their journey back home. The chapter explicitly states that when Baba said, "Take the Udi," it was understood by everyone as the true and final granting of permission to leave. This gesture was the definitive signal that the devotee had Baba's blessing for their return journey. As the text mentions, receiving the Udi in this context would make the devotee feel enthusiastic and secure in their departure, knowing they left with their Guru's consent.