Four Mallets Method by Theodor Milkov

Chapter 1    Introduction to traditional grip (three points)   

Chapter 2    Mechanics of Pianistic Approach
I.                    Rotation Training on Practice Pad
II.                   Practice Pad Etudes
III.                  Exercices on Marimba
IV.                  Marimba Etudes

Chapter 3    Positioning and Sticking Approach
I.                    Periodic Table of Scales Stickings

Chapter 4    Introduction to Moller Technique
I.                    Training Moller Technique on Practice Pad 
II.                   Marimba Exercices on Moeller
III.                  Marimba Etudes
IV.                  Concert Etudes