Ultimate shoulder rides

Just a heads-up to anyone who hasn't tried this already: Searching through Google Books can provide a very nice assortment of shoulder-riding scenarios, if you can use your imagination.
Just be sure your search term is in quotation marks to narrow down your results, and mix it up your words a little bit ("rode on her shoulders" and "riding on her shoulders" will get you two different results, for example).
It's a nice change of pace sometimes.