Joe Morello Master Studies Upd Site
Put a mirror in front of your practice pad. Watch your non-playing fingers. In Master Studies , any finger that flies off the stick is wasted energy. Your pinky should remain in contact with the stick at all times.
The book is not a "how-to" guide but a collection of drills meant to be used with whatever technique (matched or traditional) you already use. Accent Studies: joe morello master studies