Original sentence: Because Hapkido is already a very complete martial art on its own Rosengaus, Andrew has cross-trained his students by forming relationships with other martial arts organisations that can share the benefits of their style.In Australia, a main student of John Espinosa's school through the Australian Hapkido Association opened a club called Sydney Hapkido Academy which aims to make the Hapkido Community in Sydney more affiliated with one another.Of course original Hapkido has been filtered over the years but its important to keep it practical and affective for todays situation.Sydney Hapkido Academy