滝壺の下
The above video is linked in this July 14th post on Dr Ishigaki’s blog
北海道のポテンシャル その3 テンカラパラダイス
Potential in Hokkaido Part 3 Tenkara Paradise
http://aitech.ac.jp/~ishigaki/tenkara/2017/potential3.htm
His June 22nd blog post is about this Spring 2017 issue of Fishing Cafe.
https://fishingcafe.shimano.co.jp/post_editersnote/vol55_02/
http://aitech.ac.jp/~ishigaki/tenkara/2017/miri2.htm
Both are kind of fun.