Ko te wahanga werohanga o te pereti kuaha motuka kei te taha o roto o te kuaha motuka, kua whakauruhia ki mua me muri o te kuaha, he waahanga nui o nga waahanga o roto motuka.Ko te papa o te tatau motuka he waahanga o waho, kaore e whakaaetia te raina whakapiri.I te wa e werohia ana, me peia te raina whakakotahi ki te waahi kore-ahua, ki te whakakore ranei i te raina whakakotahi.Ma te whakamahi i te punaha hongere rerenga wera o te ngira raupapa 3-ira, ko te whakatuwheratanga me te kati o nga upoko puha wera e 3 e whakahaerehia ana e te rango hinu, i te rango ranei, kia tutuki ai te paanga o te werohanga me te kore o te raina whakakotahi.Ko te kowhiringa o te tuunga urunga kapia ka tino whakatauhia e te tātaritanga rere pokepokea ai, a ko te momo o te kokoru kapia te nuinga ka whakatauhia e te putanga wai nui me te ruku.Engari kotahi te mea e tika ana kia kite: ko te tuunga kapia kei roto i te tuunga ahua-kore, i muri ranei i te huihuinga o te roopu tatau kaore i te ngawari ki te kite i te waahi, penei i te raro o te pereti kuaha.