Ko ngā tatau o ngā kāpata whakaaturanga pouaka whakamātao he mea hanga i te karāhe takirua kua whakauruhia ki te anga o te tinana tatau, ā, ka tāpirihia he whakamaroke i waenganui i te karāhe paparua hei hanga i te hiri takirua hei hanga i te karāhe ārai, ā, ka taea hoki te whakakī ki te hauota he iti te kawe wera, te herium rānei. Ka honoa te tatau me te kāpata mā te hononga.

Ngā taputapu e hiahiatia ana hei tukatuka i ngā tatau karāhe rua-whakamatao:

Mīhini whakakī hau aunoa ipurangi Raina whakaputa karāhe whakamahana, mīhini paninga butyl, mīhini paninga hiri, mīhini piko konumohe, mīhini whakakī whakamaroke, mīhini whakawhiti anga whakawātea konumohe.