Kei te whakarite ngā hīanga pūhoro mātau hei noho tahi i te mahi o te tango āteatea me te whakauru i ngā pūhoro motokā. Ko te hanga kauwhata o te whakarerekē ka whakarite ki ngā i陵inga ā-pūhoro, nō reira ka mutu te korekore i te wā o te whakamahi. I whakatupuia mai i te kōpua roa me te kawe pai ki te whakaheke i te uru paru, ka ora tonu i te whakaaroaro o ngā paru me ngā karu tahuna i roto i ngā moenga motokā. Ko te rae karu e hāngai ana ki te tinana ka heke i te ngangaru o te ringa, nā tēnei ka noho matihaki ngā hīanga nei mō ngā tohunga me ngā hiranga ā-waho e mahi nei i ngā takutaku ā-parapara.