1.
Add water slowly in the bowl with the noodles, add water while stirring, and finally beat it into a very thick paste, pay attention to the water, not too much, and then lift up the chopsticks, the noodles should be able to hang on the chopsticks, and stir for a little while, the noodles will be very strong, stirring after the addition of cold water to the bowl, cool water on the batter, don't stir, after a few minutes, pour the water on top, and then put the batter into the pot of boiling water. Cool water on the batter, do not stir, after a few minutes, the water boiled, pour off the top of the water, and then the batter into the pot of boiling water, while to the side of the pot while stirring the water, there will be small bumps like grains of rice, and more uniform, the soup is clear. If you prefer a thicker soup, you can shabu-shabu the noodle bowl and pour it into the pot.
2.
Stir the noodles slowly, adding water as you would for noodles, and the size of the lumps will depend on how you feel. Add a little water at a time and stir slowly, and you'll always get the lumps you want: