Ashton Kutcher Jiu Jitsu Hurstville – #1 Martial Arts School. Martial arts (Ashton Kutcher Jiu Jitsu Hurstville) are codified systems and traditions of combat practiced for a number of reasons such as self-defense; military and law enforcement applications; competition; physical, mental, and spiritual development; entertainment; and the preservation of a nation’s intangible cultural heritage. Are