Di Ko Myo is given only to those who become "Reiki Masters" It is known as "The Master Symbol."
Di Ko Myo is the symbol given to third degree "Reiki Masters.' Reiki Master is the only level which can attune those who want to become Reiki Practitioners.
Di Ko Myo is used to heal soul and spirit but is primarily used to attune initiates to become Reiki Practitioners. Dai Ko Myo is the most powerful of the Reiki Symbols combining the strength of the three that preceed it.