Replying to Make Your Own Fish Eye. (Video)

hey so i found this video on how to make your own fish eye for like $10-20 bucks. in the video the fish eye is used for a picture camera. but i want to use it for my video camera the only problem is i dont no how to attach itto my camera. any idea's would be helpful.

http://www.wonderhowto.com/how-to/video/how-to-make-a-wide-angle-and-fish-eye-photo-lens-for-5-135412/
Thanks!