Mā ngā ipu waipiro Trapezoidal mārama 700ml te ātaahua o tō hua, he āhua tīwiri te kaki o runga, ka hokona motuhake te taupoki tīwiri. He mea hanga ki te karāhe kiripaka kounga teitei me te turanga matotoru. He āhua kōkī tīwiri te taupoki o runga o tēnei pounamu. Ko ngā taupoki tīwiri he mea hanga kia piri pai hei whakakore i te turuturu me te pupuri i te hou o te hua.
