Shackle e loketse ho phahamisa, ho hula, ho tiisa, ho tiisa le likhokahano tse ling.Shackle ea mofuta oa D ke shackle e khethehileng bakeng sa kaho ea matla a motlakase, e nang le molumo o monyane le boima bo bobebe, boima bo boholo le ntlha e phahameng ea polokeho.