Complex sentence: Ku Shi Kai has made several Krav Maga weekend trainings: one easily recognizes that is is efficient self defense the KM instructor said that KM is too ugly to want to practice 3 times a week (he himself practiced Escrima).
Split into simpler sentences: Ku Shi Kai has made several Krav Maga weekend trainings: one easily recognizes that it is efficient self defense. The KM instructor said that "KM is too ugly to want to practice 3 times a week" (he himself practiced Escrima).