Metaphors foot-reflexologist.com/foot_metaphors.htm The foot is used as a metaphor in many common sayings, like "Be in step." "Go toe to toe." "Get a toe hold." "On your toes." "Toe the line." "Head to toe." And many more.
Foot Odor mothernature.com/Library/Bookshelf/Books/50/53.cfm Fresh Solutions to Sole Pollutions. Looking at the tiny toes of a newborn baby, it's hard to believe that they'll someday be smelly old feet. But by the time that same kid is running around in over-used sneakers, you'll be awed by the fragrance those feet can produce.