"Step on the pool" is an essential labor for making Fuling mustard tuber. Diligence and wisdom have created the unique flavor of Fuling mustard tuber, which is fresh, fragrant and crisp. After more than ten times of processing, there are more than ten kinds of processes. Only "stepping on the pool" is the most enjoyable labor when curing. When pickling pickled mustard tuber, spread a layer of vegetable heads in the pool, scoop up and sprinkle a certain proportion of salt on the vegetable heads, and stamp the vegetables and salt firmly. Step on it layer by layer until the pool is full. Locals call it "stepping on the pool". "Step on the pool" is also a very interesting labor. Mouth to shout, feet to step on, all people step on the pool action needs to be harmonious, Qi Xin work together. One person leads the shout, and everyone agrees, like Chuanjiang's song. The voice is rough and bold, very imposing; Rich and beautiful words; And there will never be a war of words and language barriers. "Step on the pool" is a free combination of men, women and children. Several people or a dozen people step on a pool. The swimming pool is usually the size of a room, made of stone or cement, and is square or rectangular below the ground. The action of people stepping on the pool is very beautiful, with their hands behind their backs, one left and one right, one tandem, rhythmically following the tone of the commander's horn, stepping hard and rotating in tune. Singing in the mouth, stepping on the beat, crowded, climax after climax. That momentum, that style, sounds like a singing contest, but it looks like tap dancing. It's really fascinating and poetic.