"Iron affects more than just changelings and fae. It is a symbol of order, solidity, and unyielding control. Many supernatural effects are bothered by it. So, my first recommendation is simply that you wear this iron, in its bag, around your neck. That may help lower the frequency and potency of your visions.

"If that doesn't work," she continued, lifting the second bag, "then we will try the same thing, but with lead, which often interferes with the transmission of supernatural power of all sorts."