ॐ शिवे भगवे भक्षे भगे भंग क्षोभय क्षोभय मोहय मोहय छदाय छदाय कलेटय क्लीं शरीरे ओम फट स्वाहा The person wearing or holding the Yantra would chant definite mantras regularly to enable it act its functionality by letting inside the divine forces or energies on the lifetime all over them. https://baglamukhi52839.webbuzzfeed.com/35296222/detailed-notes-on-mantra