METHOD:​
 

1. Boil the rice vinegar and sugar until the sugar
   dissolves, then let it cool.
    

2. Scrape the skin off the ginger with a spoon.
    

3. Cut the ginger to chunk size and slice them very thinly along the grains.
    

4. Spread sliced ginger on a flat basket and sprinkle salt.
    

5. Then toss and leave for 5 minutes.
    

6. Boil water and pour boiling water over salted ginger and once they are cool enough to handle, squeeze the water out of the  ginger and put them in a container.
    

7. Pour in the vinegar mix and make sure all the ginger pieces are covered.