Ma ke ʻano nui o nā mea paʻa, ʻo nā studs kahi huahana deformed o nā bolts i hoʻohana pinepine ʻia me ka hui pū ʻana me nā nati a me nā mea holoi. Hoʻohana ʻia ia ma nā ʻano he nui e like me ke kūkulu ʻana, ka hana ʻenehana, a me ka hui. He maʻalahi kēia ʻano huahana i ka hui ʻana, hoʻohana nui, ola lōʻihi o ka lawelawe ʻana, hoʻololi maʻalahi, a me ke kumu kūʻai haʻahaʻa. ʻO ia kekahi o nā mea waiwai pono no nā ʻoihana he nui.