He mea whakarei i te whakahiato pūhui kei roto ngā whakahinuhinu o roto me waho. Ka whakamahia hei whakaputa paipa pvc. Kua
mahi tukatuka pai mo te whakararangi maramataka. Kaore e pa ki te papa, maama me te ma, tae atu ki te matotoru o te hua ka rere ke te whakakii. Pinepine, e kore e hiahia ana ki te tāpiri i etahi atu whakahinuhinu.