He kūpono ka shackle no ka hāpai ʻana, ka huki ʻana, ka heleuma, ka hoʻopaʻa ʻana a me nā mea pili ʻē aʻe.ʻO D-type shackle he kaula kūikawā no ke kūkulu ʻana i ka mana uila, me ka liʻiliʻi liʻiliʻi a me ke kaumaha māmā, ke kaumaha kaumaha nui a me ke kumu palekana kiʻekiʻe.