Leapfrog Creatr Reel Holder

When I was printing a big object the filament reel jumped out of the holder and the print stopped. The filament was near to finish, the reel was too light to hold the feeder force.
Here is my solution to the problem.
Here you can see how it works:
http://www.youtube.com/watch?v=xC8sdt96KJU
(Feel free to share the video where you think it will be find interesting)