- A Nguni shield is a traditional, pointed oval-shaped, ox or cowhide shield which is used by various ethnic groups among the Nguni people of southern Africa. Currently it is used by diviners or for ceremonial and symbolic purposes, and many are produced for the tourist market. A cow-hide shield is known as isihlangu, ihawu or ingubha in Zulu, and ikhaka or ikhawu in Xhosa.