Complex sentence: The style of iaido practised in Seishinkan is Musō Jikiden Eishin-ryū, and it is the only dojo in Australia affiliated with the Dai Nippon Iaido Renmei.
Split into simpler sentences: The style of Iaido practised in Seishinkan is Musō Jikiden Eishin-ryū. Seishinkan Iaido and it is the only dojo in Australia affiliated with the Dai Nippon Iaido Renmei.