A Coffee Brewing Theory "4:6 method" Invented by Tetsu Kasuya_ World Brewers Cup 2016 Champion

Turn captions on and off　[=] or [cc] If you want to change the subtitle color, please see below. https://support.google.com/youtube/an... A Coffee Brewing Theory "4:6 method" Invented by Tetsu Kasuya. ワールドブリュワーズカップ2016優勝 粕谷哲の抽出理論「4:6メソッド」 equipment：HARIO V60 Dripper HARIO CO.,LTD. http://www.hario.jp/ CONTACT US https://www.hario.co.jp/en/contact/ HARIO株式会社 http://www.hario.com/ お取引のお問合せはこちら http://www.hario.com/contactus.html