The part that has been left on the reverse is deeply sawed by using
YAMANUKI after doing HABIKI
Light is seen through teeth of a comb, the sawing condition is adjusted if there is uneven.
When the angle of sawing is not corresponding from both sides, the comb condition of the hair becomes not smooth.
It is the most important process of the tooth-making of the comb.
The base of teeth of a comb is adjusted.