Kachathirummu - massage for flexibility, is a kind of massaging the body of a kalari student. It is used to increase the flexibility of the body when it is required. It is also known as ' meivazhakkauzhichil '. It is helpful to maintain the beauty of the students along with the ultimate flexibility & to increase the speed of different methods of fencing. The course duration of kalari student in olden times were at-least 12 years & hence they undergo kachithirummu for 12 times. It is also helpful to boost up the immunity power even in the upcoming years. It is also included with foot massage to different vital points of the body. They have to follow nallarikka, a well prescribed diet while they are under going kachithirummu.