Place your right thumb on the right side of your neck just below your chin and your index finger on the left side. (yogauonline.com)
Dog lymph nodes are on the right and left side of the neck where it is connected to the lower jaw. (dog-health-guide.org)
To prepare for cat / cow, come onto hands and knees, feeling your spine in a neutral position and all four sides of the neck equally long. (vikasayoga.com)