Ertsgamma's star by right is considered the strongest and ancient mascot which helps to cure spiritual and corporal illnesses, to be saved from unpleasant situations, improves thinking, to become successful in all and unreceptive to damage, cleans tension and prevents action of negative energiya.
To make the biofield is stronger, to receive protection against bad thoughts, and not only own, this amulet at putting on on a neck has to settle down over a breast (between throat and warm chakras).