USING STONES DURING THE TREATMENT IS ALWAYS ADVANTAGEOUS, KNOWING WHERE TO PLACE THEM IS PURELY INTUITIONAL. With only a few exceptions, most stones are safe to apply directly onto the skin without any ill effects during the REIKI session. As I have studied the stones of the world and have worn them for many years, my level of confidence in their application during and after the REIKI treatment speaks for itself. Some practitioners only use uncut stones, others use spherical