Embroidery patches is an important art of the medieval Islamic world. The 17th-century Turkish traveler Evliya Çelebi called it "the craft of both hands." As embroidery is a symbol of high social status in Muslim society, it has become widespread. In cities such as Damascus, Cairo and Istanbul, embroidery can be seen in handkerchiefs, uniforms, flags, calligraphy, shoes, robes, robes, harnesses, slippers, jackets, pouches, covers and even belts. Craftsmen embroidered objects with gold and silver threads. Embroidery in the family industry, some employ more than 800 people, grew to supply these items.