Electric bass students will be well served to study video recordings of cellist (cello players) in terms of LH technique. Cellist use three versions of fingerings. Of particular interest is the extension of the index finger. Though fingers 2 and 3 remain in a straight arch off the palm of your hand, the index finger rotates towards the thumb. You should develop a callus (pad) on your index finger covering the entire fingertip, nail to nail….