"I have heard," she says, slowly, "through this place, of traditions and spells that rely heavily on herbs and other ingredients."

She can almost see the look that Nynaeve Sedai would have given her, immediately prior to launching into a lecture about the importance of tools beyond power to accomplish desired goals.

(Nynaeve had been right, and the world saved because of it.)

"Salt is often used in them for purification and protection, and in some cases to encircle as a barrier."