Waihangahia tētahi putanga matatini ake o tēnei rerenga Ko te tūmanako o ngā pūoko wiri hangarau mote whakaurua ki runga i te waka tereina ake, ka taea hoki te whakamahi ki te ine i ngā wiri me ngā hapa pānga wira pea.
O te akoranga, he putanga atu matatini o te rerenga ko "Ko te kupu whakaari o mote pūoko hangarau wiri whakaurua i runga i te waka tereina ano, ki te ine i wiri me ngā āhuatanga pānga wira pea he hapa i roto i te tikanga e kore e taea e enei pūoko ki te wehewehe i waenganui i wiri e puta mai i te ara tereina ranei te wira tereina / bogie. "