Probes are any external assisting devices for the beginners. Bringing the evolutionary change with such techniques by saints like BKS. Iyengar is truly safe. But the safety by modern, marketing practitioners are developing many physical ailments like scoliosis, shoulder droop, lordosis, hyperextension of knee hyperextension of elbow, having poor posture outside of the classroom and in daily activities, etc., it is the traditional texts knowledge alone can be the optimal level of stop for any physical progression. Here is