https://www.reddit.com/r/mildlyinteresting/comments/7s4wrm/this_bar_in_japan_doesnt_label_their_beer_taps/
origin - https://www.pipiscrew.com/2018/01/this-bar-in-japan-doesnt-label-their-beer-taps-bartender-knew-each-one-by-memory/ this-bar-in-japan-doesnt-label-their-beer-taps-bartender-knew-each-one-by-memory