Step 1) Find a piece of music that requires a rosin-less bow:
Step 2) Buy a bottle of Methylated Spirits and a toothbrush (Lucy Warren):
Step 3) Wrap the wooden bit of the bow in cling wrap:
Step 4) Carefully rub away at the rosin:
Step 5) Find a friend to help (Anna Pokorny, Sarah Kim and Ruben Palma’s hands):
End of Lesson.