This Goddess Shree Mahakali Maa Kawach is made from quality metal. Mata Mahakali yantram is meant to frighten bad spirits away from the place and protects from negative thoughts, actions, and energy. It is believed to protect from negative energy. This yantra kawach is already energized to wear it on daily basis. This locket can be kept in neck wallet/money purse/cash counter/pooja ghar. Kali Mata kawach card, books, kavach, locket, pendant is very useful suraksha kavach.