hey Dobbersky..
I'm not really familiar with Filipino's fighting arts..Malaysian's silat are more similar to the Indonesian's silat..As some of the silat in Malaysia originated from Indonesia..Silat Harimau Berantai was introduced to Malaysian by the Minangkabau people that migrated to the state of Negeri Sembilan in the centre of Malaysia. Silat Sendeng was brought by the Bugis people to Johor.
All these silat was practised by most people in Malaysia, Indonesia as the region is the Malay archipelago. That includes the Filipino islands. Maybe that explains why all these fighting arts are related.
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Persatuan Seni Silat LianPadukan - Ta' Melayu Hilang Di Dunia..