The Octagon Card is used in buildings to eliminate negative energies.  It is placed on the Rainbow card on the door frame and works rapidly to cleanse the building.

Personal Healing:  On the body it is used for all aspects of elimination, working with the eliminative organs (digestive system, kidneys, liver, skin and lungs).  It also has a powerful effect on micro-organisms such as bacteria, viruses, etc.  It helps to remove negative energies from the body.