Kwitang silat and taught his grandson H. Muhammad Zakaria. Djaelani passed away in 1969, and Zakaria continued as the principal guru of the school. Zakaria had the chance to demonstrate his martial arts in front of the Shotokan master Masatoshi Nakayama and the martial arts author Donn F. Draeger, when they visited Indonesia in the '60's. Draeger then included a review of the Kwitang silat in his famous book, "Weapons and Fighting Arts of Indonesia". In 1973, the school joined the Persatuan Pencak Silat Putra Betawi ("Association of Betawi Martial Arts Schools"). The association became one of the 9 "Historic Associations" that
Indonesian martial arts Indonesian Pencak Silat Association (IPSI) was founded to unite the country's pencak silat schools under a single governing body. It has been incorporated into the unarmed combat training of Indonesia's polce and military, as well as being an extra-curricular activity in schools, and a combat sport in athletic events. Many of the more violent martial practices such as headhunting and duels to the death either fell out of popularity or were banned. A number of fighting styles have managed to survive by adapting. In some cases they became less lethal like pasola, or at times by being promoted as a