Three days. Jujube making, scientific name knotting, is a special type of work in the clothing industry. Jujube is very common in clothing, especially in jeans and tooling, which mainly plays a reinforcing role. Because the jujube-beating machines in garment factories are semi-automatic, and the operation is very simple, with no technical content, most people can skillfully beat dates after three days of practice. Clothing refers to clothes made one by one according to the personal situation of a specific wearer. This is the way most clothing stores operate.