What were you wearing? Skirt or pants? Blouse or sweater? Baggy, fit, or tight?
Let's talk about what "zip-a-dee-do-dah" is, to you.
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Amazing, that under any other context, this reply would be on a p0rn site! 
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Going by the videos, all contact with the crotch/chest should be palm-salute, up the legs until "resistance", between the breasts and under ("w"). Doesn't look bad on the video, yet they don't show much of the squeezing of the appendages. Did they use a non-palm-salute, go from leg-to-leg and make contact, cup the breasts, etc?