Hana ʻia ka ʻili o ka waʻa me ka mea pvc aloha i ke kaiapuni a hiki ke lawe i ka nui o 120 ~ 290kg. ʻO ka lalo laumania o ka waʻa, i hui pū ʻia me kahi lalo ākea a me ke kūpaʻa maikaʻi, kūpono ia no ka heʻe nalu ma waho, nā rapids, ka rafting a me nā hana wai ʻē aʻe, a he huahana pono ia no nā hana leʻaleʻa ʻano hou a ka poʻe e makemake ai.