He pai ngā Pounamu Whakamātautau waha whānui me te ārai karāhe ātete puehu mō te penapena wai me te paura. Ka hurihia ēnei waha pounamu me te kakau ārai mā te mīhini. He hiri ā-hau tēnei hononga karāhe-ki-karāhe, kāore e whakamahia he ārai rapa, he ārai kōka rānei.

He pai ēnei pounamu matū karāhe kōwhai, he whaiti te waha, me ngā ārai karāhe e taea te whakauru, mō te penapena i ngā otinga e pāngia ana e te mārama. Ka āraihia e ngā ārai karāhe e taea te whakauru kia kore e uru te hau. He pai mō te penapena haumaru i ngā matū i roto i te āhua wai, paura rānei.