First was the establishment of a curved thumb on the bow, for without the thumb being capable of flexing, the bow arm must be faulty. Second, was a good left hand setting on the fingerboard in the lower positions. Third, were the early scales, exercises, and finger independence studies.  -   Leonard Rose     Quotes
First was the establishment of a curved thumb on the bow, for without the thumb being capable of flexing, the bow arm must be faulty. Second, was a good left hand setting on the fingerboard in the lower positions. Third, were the early scales, exercises, and finger independence studies. Leonard Rose