Now simply make a kind of "writing paper on rice paper" to simulate the effect of rice paper, and promise to use it more than 10 thousand times.
The landlord can look at the following website.
/market/ 142738.htm
But, to be honest, writing paper with water is clean and convenient, and it also saves money. But I think it's better to practice writing with ordinary paper. After all, water is different from ink, and paper written with water is different from rice paper. After writing works, you have to write them in ink on rice paper.
Scrap paper and waste newspapers are good at practicing calligraphy.