Often chiengora is blended with wool during the carding process. This blend has some give to it, which is preferable when knitting. It is also often blended with wool in order to create a yarn with less heat insulation.
Spinning dog hair is not a new art form. Dog hair has been found in yarns dating back from pre-historic Scandinavia, and in textiles from the Navajo Indians of North America. It was the main fiber spun on the Northern American continent before the Spaniards introduced sheep.