I didn’t see this described, but OM is considered the main sound of development in yoga custom, correct? Would make me wish to chant OM though looking at my Yantra! Repeat a mantra, including “Om Namah Shivaya,” or just recite the names from the deity associated with the yantra. Sadhguru: https://marcoxfilp.blogdosaga.com/39664764/the-best-side-of-mohiini