yes it does work.. but there are cheaper alternative (brown bread --
www.b-quiet.com/brownbread.html )
Basically anything that would add weight to that surface.
In most cases, the major part of the rattling is from the license plate, so put something behind it that will absorb the vibrations..
If you tell me what car you have, I could help you better..
Vehicle: Bad Mutha ****a -------))) doenst say much!
