Two new pics and two videos
The 1st pic is taken from the "BBCs (Big Boobed Cleavage)" thread, 2nd one I found myself.
Video no. 1 - Unfortunately it's in german (sorry for those who don't speak that language ^^) but it's a nice DIY video with a girl showing how to keep your zipper from unzipping itself, starts with a wide open zipper
--> youtube.com/watch?v=DwssUlLs6Jo
Video no. 2 - Also in german ^^ It's a video from a YouTube party, girl with open zipper at 9 min 45 secs
--> youtube.com/watch?v=7Xfl7WbZlew
Enjoy