Here is JoJo Mayer explaining how you can use the index finger and the ring finger alternately to move the stick very fast. Definitely worth seeing.
Joe Morello with a "killer excercise" to get your chops really moving
fast.
A very informative video by Dave Weckl describing finger technique and exercises. He even describes how to use finger technique with traditional grip.
A great video by Gordy Knudtson describing the "open close" or "push pull" technique.
Moeller technique described by Tony Royster. He carefully explains the motion and demonstrates it slowly and then fast. The Moeller technique will benefit all drummers.
