question #3 Sahih Muslim 894b, Book 9, Hadith 2 : How is the act of turning one’s mantle related to the prayer for rain?

Ibn Tamim narrated on the authority of his uncle (‘Abdullah b. Zaid) that the Messenger of Allah (ﷺ) went out to the place of prayer and prayed for rain and faced towards Qibla, and turned round his mantle and prayed two rak’ahs.