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carefully watch the end of the video where the technique is demonstrated.
Skin from the forehead or cheek was used for graft, not terracotta.
"Sushruta also developed the otoplastic technique for reconstructing an earlobe with skin from the cheek, and the forehead flap rhinoplasty procedure that remains contemporary plastic surgical practice. In the Sushruta samhita compendium, the physician Sushruta describes the (modern) free-graft Indian rhinoplasty as the Nasikasandhana, wherein:
The portion of the nose to be covered should be first measured with a leaf. Then,
a piece of skin of the required size should be dissected from the living skin of the cheek, and turned back to cover the nose, keeping a small pedicle attached to the cheek. The part of the nose to which the skin is to be attached should be made raw, by cutting the nasal stump with a knife. The physician then should place the skin on the nose and stitch the two parts swiftly, keeping the skin properly elevated, by inserting two tubes of eranda (the castor-oil plant) in the position of the nostrils, so that the new nose has proper shape. The skin thus properly adjusted, it should then be sprinkled with a powder of liquorice, red sandal-wood, and barberry plant. Finally, it should be covered with cotton, and clean sesame oil should be continually applied. When the skin has united and granulated, if the nose is too short or too long, the middle of the flap should be divided, and an endeavour made to enlarge or shorten it. (Sushruta samhita 1.16)"
Source: Sushruta: Rhinoplasty in 600 B.C
http://ispub.com/IJPS/3/2/7839
