Dave Bull of Mokuhankan has occasional blog posts about problems sourcing washi paper: https://mokuhankan.com/conversations/archives/2016/04/how_are_we_doing_pa

Dave Bull of Mokuhankan has occasional blog posts about problems sourcing washi paper: https://mokuhankan.com/conversations/archives/2016/04/how_are_we_doing_part_three.html https://mokuhankan.com/conversations/archives/2016/04/how_ar... https://mokuhankan.com/conversations/archives/2016/07/paper_breakthrough.html https://mokuhankan.com/conversations/archives/2016/07/paper_... Though I seem to recall one other earlier post, but I can't find it at the moment, it was about debris/bark being mixed into the paper IIRC.