Oonnukool is a treatment tool which is used in the massage therapy segment of kalari marma treatment. The massage therapy using this tool is helpful to remove mucus from blood cells, to remove toxins from different body fluids and to completely remove tumours and unwanted fat found in nervous system. The course duration will be 18 days, 24 days or 36 days which depends upon the body condition of the person who are subjected to this therapy. He must strictly follow pathya and routine which is used to be prescribed by the therapist in order to achieve maximum results. The kalari marma therapy is applicable for people of all age groups and it is found to be very effective to recover from various issues related to the body frame of the person and to lead a healthy life. That is why a lot of people who are suffering from several such issues can be cured and returned to fitness by the kalari marma therapists even in the cases where the most modern treatment systems fails. We can't find perfect solutions for those who would like to keep their youthfulness and longevity of life and also to develop a healthy upcoming generation through the modern sophisticated technology and treatments. Anybody can notice and understand that almost every medicinal combination used in modern systems has several side effects which may cause huge risk to the internal organs in prolonged use. This process also reduces the chances to rejuvenate healthy cells and the person has to be continued with some sort of major or minor health issues. Then that person are supposed to continue medicines untill the end of his life. If we experiment with some of these medicines mixed with sweets or edible items and provided it to small animals or insects may cause even their death. Those who learn and practice the methodologies of kalari system in depth will transform to a holistic personality who preserves himself and others to overcome from unhealthy practices and to lead a healthy life. There may be different effective traditional therapy systems in different countries which make use of their locally available natural resources for the production of medicines and therapy tools. The full version video of approximate duration of one hour consists of different routes of massage using this treatment tool. The purpose of this video is to preserve this precious knowledge from extinction.