Be careful when stretching the last to avoid tearing the skin of the nose. When putting down the shoe last, one person fixes the leather piece, and the other person pulls the last board hard to remove it. The leather pieces of the shoe last were passed through the eyelet with thin iron wire, and every 20 pieces were hung in the dark room for a few days. The indoor temperature should be about 65438 03℃ and the relative humidity should be 65% ~ 70%. Before quality inspection and grading, the leather pieces should be washed again with fine sawdust to remove dust and oil stains, then tapped with a small bamboo stick and scrubbed with a towel. It is also useful to scrub leather with a towel dipped in alcohol, which can make hair bright and beautiful.