1. After the horse tail hair has been cut, they were thoroughly washed with soap and warm water containing 2.5 percent sodium carbonate in a washing machine .in a washing machine for 3 hours.
2. They stood for.sodium carbonate then they were taken out after one hour.
3. The tails were then boiled in water at temperature of 100℃ for over 2 hours, and they were taken out and allowed to dry. After being combed, they were tied with string into bundles manually.
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