Looks to me like its on a string or fishing line. Its characteristics in flight are that of a object suspended from a line, meaning its flight path is swinging and it spins.

stuff like this could get you banned on ATS, it was funny though, thanks for the laugh!

You can see the string......

Originally posted by greatlakes
Thats a sad attempt at antigravity humor, they didnt even attempt to hide the string heh. Here on the other hand is true antigravity and a much better video!
[edit on 6/23/2007 by greatlakes]

lol...