Why spoons?
The thin spot in the handle, coupled with the broad, easy-to-push-on bowl, helps the guy accomplish the sleight-of-hand.
A rational explanation for the Jack Houck PK Party phenomenon (what you're reading about in the ForkYou site) is either some form of hoax, or the same kind of yogi concentration that allows normal people to do feats of strength they wouldn't normally accomplish.
It's interesting that you apparently have to be distracted for it to work, kind of like how Arthur Dent learns to fly.