My Wife was working in the office, and I noticed she was sitting that certain way (one leg up in the chair). When she sits this way, she always lets that shoe fall off (as seen in Friday Night Flats Part 2!). She also started dipping with the other flat, showing her soles. Eventually, the other flat fell off, like I expected, and we had a real good shoeplay show! In this clip, you'll see how my wife can dangle one shoe and dip the other one at the same time (it drives me crazy!)