How beautiful are thy feet with shoes - "How graceful is thy walking." In the sixth chapter the bridegroom praises the Shulamite, as we might express it, from head to foot. Here he begins a new description, taking her from foot to head.
The shoes, sandals, or slippers of the Eastern ladies are most beautifully formed, and richly embroidered. The majestic walk of a beautiful woman in such shoes is peculiarly grand. And to show that such a walk is intended, he calls her a prince's daughter.
The joints of thy thighs - Must refer to the ornaments on the beautiful drawers, which are in general use among ladies of quality in most parts of the East.