Yaw-Yan is a pure filippino kick boxing stye founded by grandmaster Napolean.A.Fernandez.They have a website about this art https://www.yawyan.com.I have no personal experience in this art.But from my research ,it is like muaythai with a lot of other techniques like a lot of different powerful kicks and differant punches which is called bolo punches. Its kicking currriculum includes 40 fundamental kicks,variations of these 40 kicks like stepping,jumping etc and advanced trick kicks.The total number of kicks exceeds 200.Unlike korean martial arts, the yaw-yanistas use their shins also for their kicking just like in Muay Thai.They use everuy part of legs for kicking like shin,feet,balls of feet,thigh etc.their famous kicks include mountain-storm kick,scorpion kick etc.They have an antigrappling system called Yaw-Yan Ardigma. abel