A screw shackle, or one with a pin and forelock, should not be used, because the bolt is apt to shake loose when moved about the deck.
Ikhamandela lesikrufu, okanye elinesikhonkwane kunye nefolokh, kumele ingasetyenziswa, kuba isikhonkwane esinamaqoqo sithambekele ekungcangcazeleni sigoqoqze xa sisunduzelwa ngapha nangapha kwidekhi.