Ko te mīhini whakapiko pereti he momo mīhini e whakamahia ana hei whakapiko i te taha o te pepa whakarewa. Ka tapahia he piko i te taha o te rauemi i te koki. He maha ngā whakamahinga o ngā mīhini whakapiko pereti i roto i ngā ahumahi mahi whakarewa me te hanga hei hanga i ngā taha porotaka i runga i ngā pereti whakarewa, i ngā rau rānei ka honoa ngātahitia. Kua hangaia te mīhini hei tango i te rauemi mai i te taha o te wahi mahi mā te whakamahi i tētahi taputapu tapahi hurihuri. Ka taea te whakahaere aunoa i ngā mīhini whakapiko pereti me te whakahaere rorohiko, te whakahaere ā-ringa rānei. He taputapu nui ēnei mō te whakaputa hua whakarewa kounga teitei me ngā ine tika me ngā taha porotaka maeneene, e tika ana mō te hanga i ngā whakapiri kaha me te pakari.
