Today during our warm-ups I was checking left hand position and reminding students about playing on the tips of their fingers to achieve better intonation. One of my students raised her hand and told me that she cut her finger and had a band-aid wrapped around the top of her finger so she was forced stay on her fingertips. Genius! I got some scotch tape and I let students try it - we wrapped a few fingertips with tape and they played while focusing on excellent left hand position. You should...