What are Astral Doorways ?

Astral doorways are essentially symbols or pictures which can be used in a certain way to aid individuals in Astral Projection to the Astral Planes

The Tarot trumps,the I Ching hexagrams, and even some forms of fantasy art can all be used in this way,but the definitve doorways, researched by members of th Golden Dawn,and used by generations of magicians ever since,are undoubtedly the TATTWAS of athe Eastern Esoteric Tradition. Each one gives access to a specific area of the Astral Plane,but many othe elemental doorways may be constucted thorugh the use of composite symbols

info sources:

Astral Projection-Richard Craze