The Black Vinegar Wheel
There is a strange tool in the world, and it is called the Black Vinegar Wheel. It is exquisitely made, with black iron as the bone and tough wood as the rays, covered with leather soaked in black vinegar. During the rotation, the breath is quiet, and there is a faint aroma of vinegar overflowing.

In the past, there were skilled craftsmen who lived deep in the mountains. Its nature is good to study ingenious things, I ponder them day and night, hoping to create something. One day, I found strange trees in the dense forest, with fine texture and tough texture. I also found black iron in ancient caves, its color is dark and indestructible. The craftsman was overjoyed and returned to find his wife. The wife said: "If you soak it in black vinegar brewed by my family, it may become a strange tool." The craftsman followed his words.

The craftsman has spent months of effort, and the wheel is just being made. Set the wheel on the frame, push it to turn, and walk on the flat ground, brisk and silent. And soaked in black vinegar, the wheel body is not afraid of wind and rain erosion, and it lasts for a long time. If you hear it from far and near, you will come to see it. Everyone is amazed when they see this round, and there is an endless stream of buyers.

However, the craftsman is not for profit, and he often helps others with the black vinegar wheel. Whether you travel with the old and the weak, or transport heavy objects on the way, it is very convenient. Neighbors praise his virtue, and the name of the black vinegar wheel is also passed down in all directions. After the craftsman passed away, his skills were passed on to his children and grandchildren, and the black vinegar wheel was made, Every time I see the black vinegar wheel, everyone thinks of the craftsman's ingenuity and good deeds, which are passed down from generation to generation and regarded as a good story.