“Take a loadstone engraved with a three-faced Hekate,
with her middle face being that of a horned virgin,
the left one that of a dog and the one on the right that of a goat.
After engraving, clean it with natron and water
and dip it in the blood of someone who died violently.”
PGM IV. 2785-2890
The practice for which this amulet has to be created to protect the practitioner is called
“Prayer to Selene for any spell”.