Manchus originally did not have their own cloth or textiles and the Manchus had to obtain Ming dragon robes and cloth when they paid tribute to the Ming dynasty or traded with the Ming. These Ming robes were modified, cut and tailored to be narrow at the sleeves and waist with slits in the skirt to make it suitable for falconry, horse riding and archery. The Ming robes were simply modified and changed by Manchus by cutting it at the sleeves and waist to make them narrow around the arms and waist instead of wide and added a new narrow cuff to the sleeves. The new cuff was made out of fur. The robe's jacket waist had a new strip of scrap cloth put on the waist while the waist was made snug by pleating the top of the skirt on the robe. The Manchus added sable fur skirts, cuffs and collars to Ming dragon robes and trimming sable fur all over them before wearing them. Han Chinese court costume was modified by Manchus by adding a ceremonial big collar (da-ling) or shawl collar (pijian-ling). It was mistakenly thought that the hunting ancestors of the Manchus skin clothes became Qing dynasty clothing, due to the contrast between Ming dynasty clothes unshaped cloth's straight length contrasting to the odd-shaped pieces of Qing dynasty long pao and chao fu. Scholars from the west wrongly thought they were purely Manchu. Chao fu robes from Ming dynasty tombs like the Wanli emperor's tomb were excavated and it was found that Qing chao fu was similar and derived from it. They had embroidered or woven dragons on them but are different from long pao dragon robes which are a separate clothing. Flaired skirt with right side fastenings and fitted bodices dragon robes have been found in Beijing, Shanxi, Jiangxi, Jiangsu and Shandong tombs of Ming officials and Ming imperial family members. Integral upper sleeves of Ming chao fu had two pieces of cloth attached on Qing chao fu just like earlier Ming chao fu that had sleeve extensions with another piece of cloth attached to the bodice's integral upper sleeve. Another type of separate Qing clothing, the long pao resembles Yuan dynasty clothing like robes found in the Shandong tomb of Li Youan during the Yuan dynasty. The Qing dynasty chao fu appear in official formal portraits while Ming dynasty Chao fu that they derive from do not, perhaps indicating the Ming officials and imperial family wore chao fu under their formal robes since they appear in Ming tombs but not portraits.