Many people knows about reiki, its a healing system with the touch of your hands on the body. A nice loving energy is coming inside your body, passing from your hands to the place you touch your hands. Or you can give reiki from distance, using certain techniques, people who have taken the second degree in reiki, know how to do it..
Or you can initiate people in reiki if you have the master degree.

Simple Reiki

In this site you will find an easy way to use reiki, to enjoy reiki and its healing energies, to heal your body, to heal others, and to initiate others to No-mind Reiki.

Without first or second or master degree, immediately you take all the degrees at once, like Usui the founder of Reiki, he took all the degrees together.