Also that holds some kind of faith inside the virtue of yantra and the mantras associated with it. It's also wise to remember the Yantra is not really a Device which is meant for the maniping or hurting of a lot of people. ऊँ ह्रीं श्रीं चामुण्डा सिंहवाहिनी बीसहस्ती भगवती https://www.youtube.com/@AacharyaGoldieMadan