Here’s a photo of the shoes:
As you guessed, they’re posed on the cardi itself.
I took a not-so-close-up shot, too, so you can see the set better. Check it out:
The pair took around 31 yards to knit and, luckily, I had two more of the same buttons I used on the cardi. The packet of heart-shaped buttons in assorted colors that included these has exactly 5 of each color included. Whew!