The gap formed at the throat of an open thimble (except the engineers' or machinery type, which is too stiff) can be sprung open to allow the eye of a tackle hook or lug of a shackle to enter.
Uvuleko iuyenzeka emqaleni kwimfimbi evulekileyo (ngaphandle kwumthunjanjineli eyomileyo) ingatsiba ukuvuleka ivumele intunja yentambo ihakisheke okanye amakhamandela angene.