Worry stones work by using a form of reflexology or nerve pressure that when rubbed promotes a feeling of calm and relaxation. Use the relaxing power of a worry stone by rubbing the smooth indented surface of the stone. When pressure is applied on the stone, the nerves within your thumb that release natural Endorphins are activated, thus bringing about a state of calm relaxation. Just rub your thumb on the stone to relieve your stress and worries! Great for nervous and stressful situations or to keep idle hands busy. Worry stones are also easy to carry in your pocket, ready to bring you a sense of calmness when you need it.