A securing device (10) is mountable on an article, and comprises a guide formation (14). A fastening arrangement (18) is movable relative to the guide formation to fasten the article to the securing device. An urging arrangement (26) is operable to urge the fastening arrangement relative to the guide formation between fastening and non-fastening positions. The guide formation is arranged to guide the fastening arrangement to the fastening position. An indicator (38) is movable by the urging arrangement from a non-indicating condition to an indicating condition when the fastening arrangement is moved to the fastening position.