Stregheria in Italy danced under walnut trees during ritual. Carry to strengthen the heart and to ward off rheumatism pains. Don’t carry in electrical storms as they attract lightning. If someone gifts you a a bag of walnuts it is said that your wish will be granted. Place in a hat or around the head to prevent headaches and sunstroke.
In American hoodoo tradition, walnuts are used to put jinxes on people. Walnuts are also used to ‘fall out of love’