He kāpata rokiroki pōkai hina tēnei mō waho. Ko tēnei momo kāpata rokiroki e whakamahia ana mō te whiwhi pōkai a te kaikawe, he mea watea mō ngā kaikawe ki te penapena pōkai ina kore te kaiwhiwhi i te kāinga. He āhuatanga ārai-tahae, ātete-ua tōna, ā, ka taea te tiaki i te haumarutanga o te pōkai ki tētahi taumata. He mea whakamahi noa i ngā rohe noho, i ngā papa tari me ētahi atu wāhi, hei whakaoti rapanga i te rerekētanga wā i waenga i te whiwhinga mai o te kaikawe, hei whakarei ake i te watea o te whiwhinga mai o te kaikawe me te haumarutanga o te penapena pōkai.