Simply grind herbs as finely as possible. To save time you can buy ground hers, but doing so cheats you of really getting in touch with them.
While mortaring the herbs, during the whole long process, visualize, imagine and see your magical goal.
2 parts Sandalwood
1 part Mugwort
1 part Cinnamon
Sprinkle on the bedsheets and pillow before sleeping to encourage consciously directed astral travel.