ʻO nā ʻāpana pelu lōʻihi e hōʻoia i ka pelu ʻana o ka pahu ma 180 degere ma ka laina mua a me 135 degere ma ka laina ʻelua, i mea e wehe maʻalahi ai i ka pahu i ka wā e hānai ana i nā mea i loko, ʻo ka hoʻololi maʻalahi o nā ʻāpana e hāʻawi i ka maʻalahi i ka hoʻonohonoho ʻana o nā mea pono no nā pahu hoʻohālike ʻē aʻe.