Description:
This sign means that we get everything through Mary.
Use:
This sign must be worn to defend oneself and be protected, or against fear with children, against the attacks of bad spirits at night, against nightmares, insomnia, deadly terrors, evil noises, unsettling visions, obsessions, fears, possessions.

Extracted from the book called "les véritables pentacles et prières" ("Authentic Pentacles and Prayers") of Abbé Julio.