Ko ngā peera pōro pana kotahi te ahunga he mea hanga ki te horoi rakau, he horoi whare me te huihuinga pana pōro me te whare herehere. Ka taea te wehewehe i ngā peera kia māmā ai te whakairi i te mea ka taea te whakairi motuhake i ngā horoi me te huihuinga pōro me te whare herehere.
E ai ki te ingoa, ka taea e ngā peera pōro pana kotahi te kawe i ngā kawenga tuaka i te taha kotahi, ā, ka taea te whakanoho i te pou ki te taha tuaka i te taha kotahi. Kaua rātou e tukua kia utaina ki tētahi kawenga porowhita.