ʻO ka pahu kila deformed, ʻo ia nā ʻaoʻao ʻaoʻao i hoʻopaʻa ʻia, ʻike ʻia hoʻi ʻo nā kaola hao, ʻo ka maʻamau me nā iwi ʻaoʻao lōʻihi ʻelua a me nā iwi ʻaoʻao i puʻunaue like ʻia ma ka ʻaoʻao lōʻihi. ʻO ke ʻano o ka ʻaoʻao transverse he spiral, herringbone a me ka crescent, ʻO ke kila kila Screw he kila pono no ke kūkulu ʻana i nā ʻāpana ma luna o ka liʻiliʻi liʻiliʻi, a ʻo Kina ka nui o ka hoʻoiho ʻana i kēlā me kēia makahiki.