It is the diegetic elements such as the shoe laces that tell the story. [Diegetic is a contemporary art term, initially used in film and photography critique, It refers to the interplay of all the components of a scene (image) to the narrative as a whole. Diegesis means “recounted story”.]
Initially sketch in the shoe laces lightly taking careful note of their placement, proportion and rhythm. Contè, while a beautiful medium, can be quite temperamental when it comes to erasing it smudges and can be the devil to lift out cleanly.