Turn captions on and off [=] or [cc] If you want to change the subtitle color, please see below. https://support.google.com/youtube/answer/100078?co=GENIE.Platform%3DiOS&hl=en&oco=2# 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/ H