kewl vid. indy mogul does great work.
here are two other sources:
http://www.garyfixler.com/wolverine/
http://www.youtube.com/watch?v=Z6oDVD6C69A
If i may add my own 2 cents. They all seem to really follow the same basic principle of a hand pack with blades attached. I'd try using the technique from link #1, but instead of aluminum, I'd cut the blades from trashcan plastic or plexilglass, such as in the indymogul video.