Ko te pou haurua te pou e tuku ana i te taipana i waenga i te whakaiti pouaka me te wira taraiwa (he totoka te nuinga i mua, engari he māmā ake te whakahaere i te kore taurite o te hurihanga mā te pou tuwhera. Nō reira, he maha ngā motuka e whakamahi ana i ngā pou tuwhera). He hononga ā-ao (U/hononga) kei ōna pito o roto, o waho hoki, e hono ana ki te taputapu whakaiti me te mowhiti o roto o te peera pokapū mā roto i te spline i runga i te hononga ā-ao.
Ko te toki o te wira he mea whakamahi hei whakawhiti mana i waenga i te rerekētanga me te wira taraiwa. Ka taea te wehewehe i te haurua o te toki taraiwa kore-whati ki te toki katoa, te toki 3/4 e rere ana, me te toki haurua e rere ana i runga i ngā momo tautoko rerekē i te pito o waho.