Isao Machii, October 2011
|Born||August 20, 1973|
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".
- Official website of Shūshinryū Iaijutsu hyōhō, Shūshin-kan - Isao Machii (Japanese)
- Most martial arts sword cuts to one mat (Suegiri) Guinness world records.com
- Fastest 1,000 martial arts sword cuts Guinness world records.com
- Most sword cuts to straw mats in three minutes Guinness world records.com
- Fastest tennis ball (820km/h) cut by sword Guinness world records.jp (in Japanese)
- Modern Samurai Isao Machii - Stan Lee's Superhumans, History Channel.
- Official website of Shūshinryū Iaijutsu hyōhō, Shūshin-kan (in Japanese)
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