It is customary for Greeks to use Garlic to ward off evil. Garlic is believed to ward off demons and evil spirits in the same manner that incense does. Demons and evil spirits are believed to fear it. Garlic can be worn in the clothes of an individual to ward off evil. If you find garlic hanging in Greek businesses or houses it is there for the purpose of warding off evil. Garlic is believed to be very effective against The Evil Eye.