Inaniwa udon takes 4 days to produce.
Bubbles are created in the noodles as it ages.
And by kneading it well, the gluten in the wheat will prevent the bubbles
from breaking around and surrounding the bubbles. The rich flavor of wheat,
the smooth and delicate taste, the firmness of the body, and the translucency of
the luster make it a flavor unique to other noodles.