Heoi anō, e tautohu ana ētahi kaihautū mo te huarahi whakamuri: e tīmata ana ki ngā kitenga whika me te matapakinga o aua mea, me te neke i te "whakarunga" ki te kitenga o tētahi raru rangahau e puta mai ana i ngā kitenga me te arotakenga pukapuka.