Thumb placement on the bow:

Bow Hold Checkpoints

Violin / Viola:

• "Bumpy" thumb

  • Tip of thumb at the "diagonal face of the octagon"

• 3rd finger covers the "dot"

• Feel the curve of the frog

• Pinky relaxed, curved, and placed on fingertip

Cello / Bass:

• Bumpy thumb

  • Tip of thumb at the "diagonal face of the octagon"

• Tip of 2nd finger touches metal piece

• "Waterfall" fingers

• Feel the curve of the frog