^
looks like sambu-kyugu's work, they do nice job.
I use cherry bark before, but never seen it used before for Japanese arrow.
As he say, ornamental or gift arrow.
Now we just using lacquer or epoxy for coating. embroidery thread #9 or machine thread #50.
Just use a normal wood glue to stick thread to shaft.
Lance Xiao has many nice pictures on flickr you should see.