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About Isao Machii
- Isao Machii (???, Machii Isao, born August 20, 1973) is a Japanese Iaido master (Shushinryu Iaijutsu hyoho, Shushin-kan head master) in Kawanishi, Hyogo, Japan.He holds a number of Guinness World Records for his katana skills, including "Most martial arts katana cuts to one mat (suegiri)", "Fastest 1,000 martial arts sword cuts", "Most sword cuts to straw mats in three minutes", and "Fastest tennis ball (820 km/h) cut by sword".
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