Black Horse Shoe ( Ghode Ki Naal) is fixed on the outer door of the house to keep evil sprits and evil eyes out of the house. It is considered as most auspicious item to remove bad luck and disease from the house.it is considered as a heeling power for deperession , hyper tension patients and also keeps away the negative enery or power affectivness. It is recommended in our Vedas too that those who stick Black Horse Shoe on there outer wall or Door remains away from bad luck and diseases. The horseshoe is considered a lucky charm in the West as well as in India ! The shape of the horseshoe describes the ideal land configuration of Feng Shui, hence it is considered a favorable shape as per Feng Shui too.