How to use it
1. Soak the mud whetstone in water for about 5 minutes to dissolve the whetstone particles.
2. Pour water on the ink stone's surface that will be used to grind the ink.
3. Use the whetstone soaked in water to gently polish the inkstone's surface that will be used to grind the ink, as if grinding ink.
4. Wash the inkstone with water to remove the mud.
