The point stimulated on neck is called “Renying” . t is located on carotid artery. Little pressure on the point helps to regulate blood and energy on the face there by improving skin texture and glow. According to Sujok therapy Red color signifies heat and properties of “Nachni Seeds” also have heat. Heat signifies good blood circulation and thumb part in video corresponds to face there by increasing blood circulation in face and giving nice glow to your face.