Handmade in gasenshi all morning mist one hundred 05P21Feb15

Sliding friction measurement on paper in the left photo, Ehime Prefecture paper laboratory, we measure the degree of friction of the paper.
Value in 5 steps to a great number, friction increases.

Write the letter with a pencil are thinned by friction with the paper core of soft pencil, remained on paper as a character is.
Writing depends on the friction between containing black liquid just like sometimes wrote with a brush pen and paper.
Scratched the friction is strong as well, write well and please feel crunchy.

Based on numbers I have a water stained conc. at the same amount off paper and blurred at the time value
Value in five stages to a large number, oozes easily will.

The diffusion condition of paper with ink on paper ink well that (permeates) represents.
Paper and ink well suck a brush better, easier to write.
Similar to soft and stiff under the paper when you write with a ballpoint pen, and write and write.