Ogwe ígwè arụrụ arụ bụ ogwe nchara nchara elu, nke a makwaara dị ka ogwe nchara ribbed, na-enwekarị ọgịrịga ogologo abụọ na ọgịrịga transverse nke na-ekesa n'ụzọ dị ogologo. The udi nke transverse ọgịrịga bụ gburugburu, herringbone na crescent, ịghasa eri ígwè bụ a dị mkpa nchara maka ewu akụrụngwa n'elu ọkara size, na China nwere ụfọdụ mbupụ ibu kwa afọ.