He is Japanese "Modern Samurai" with Four Guinness World Records. 21 April 2011, 3rd Guinness World Records (252 Quick Cutting Makiwara in 3 Minutes) by Isao Machii. Guinness 2011 "Most sword cuts to Straw mats(Makiwara) in 3 minutes" http://www.guinnessworldrecords.com/records-10000/most-sword-cuts-to-straw-mats-in-three-minutes/ "Modern Samurai" Isao Machii - Cutting 5mm grain Rice & Skipjack