This is a popular herbal oil treatment for relieving stiffness and nourishing lower back. The lower back is one of the primary sites of vata. A flour dough dam is made, filled with the appropriate herbal oil and placed on your lower back. By soaking the area in heated oil for about 40 to 45 minutes, pain, soreness and tension are relieved. By placing several doughs, this treatment can also be applied to your entire spine.