Glass/Magnifying Stones are the only recognized mantra modifiers which might be crafted from other mantra modifiers. Other employed mantras are directed towards building loving kindness. Some mantras immediate interest to the whole process of change by repeating the Pali phrase that means "almost everything improvements", though other mantras are utilized https://shanewcaon.isblog.net/little-known-facts-about-mantra-43969275