Wai khru or respecting the teachers have many, such as respecting the teachers dance Kru music teacher to astrology, medicine, etc., kru Which each also have details vary.Respecting the teachers in educational institutions. Most of which are made in the new semester. In ancient times, often used by flowers, eggplant, Ixora coccinea Cynodon dactylon. And popped rice to the teacher. Because it's something easily and has good.