Looking at In photos: Coronation for King Charles III. Zoom in to see how a coloured collar, Charles's posture and the lines on a clerical vestment line up so it looks like he's on a lead.

Charles and Camilla on royal chairs.
Britain's King Charles III and … Camilla, Queen Consort attend their coronations …. Photo: YUI MOK / AFP.
Patterns make it look like Charles is on a dog lead.