Production of Tussar Silk in Chhattisgarh. Preparation of Bobbins From Hanks. Bobbins are structures fitted in the shuttle before looming. Small portions of desi silk threads are rolled in a bobbin. – Making Bobbins | Vayan Clothing. From Hanks, small portions of silk threads are rolled in a Bobbin. This is done by The Winding Machine like shown in the picture. #kosasilkstory #kosasilk #vayanclothing #cocoontosaree #Chhattisgarhkosasilk