Kind and shape of Japanese Comb:Oroku comb with single side teeth

Oroku Kataba

#1615 Ohfuka Kakumine OROKU-GUSHI
Minebari / 12.7cm

#1616 Ohfuka Marumine OROKU-GUSHI
Minebari / 12.1cm

Kiso-mura Kyoudokan Collection

The old Oroku comb was one side teeth, and the one that was called Ohfuka type was a main current.
Ohfuka type is said alias Ohgaku, and is a comb that the corner is squarish with short teeth.