Perisai Diri a practice in Amsterdam, Hilversum, Maarssen, Nieuwegein, Utrecht, etc. In 1983, one of the Perisai Diri silat coach, Otto Soeharjono M.S., move the duty to London, England. He founded Kelatnas Indonesia Perisai Diri Commissariat United Kingdom and became a pioneer of PSF UK (Pencak Silat Federation of United Kingdom). Both Sudargo, one of the Pendekar of Perisai Diri who served as the Board of Development of Pencak Silat Sports PB IPSI, in 1996 commissioned by the government as Transportation Attache at the Indonesian Embassy in Tokyo, Japan. The country is known as the center of the world martial arts, he
Pencak Silat schools often exchange students so cross-training between the styles is common. All Balinese pencak schools traditionally keep sportive contests and performance to a minimum in order to emphasise combat effectiveness. The Bugis ("Ugi") and Makassar people ("Mangkasara") are two related maritime groups from Sulawesi. The Bugis in particular were renowned navigators and shipbuilders, but also feared as corsairs and slave-traders. Both the Bugis and Makassarese were famous for piracy, though this was more common among the former than the latter. As sailors for whom the knife is a vital tool, Bugis and Makassar combatives (known locally as silat) favour blades.