Hi - Just saw your note. Not really sure to which clip you are referring. I think I posted the 'losing dress' clip a long time ago and it was from a TV show - a sort of AFHV show. I don't even have the original as a disk crash took most of my best stuff away. I have found it included on a YouTube compilation at
https://www.youtube.com/watch?v=LEJr9Agza70
I've got a good one of my wife losing her skirt but haven't posted that yet!