Related Clues:

• Bow rub-on
• Bag that lies on a mound
• Cello bow rub-on
• Rub it on a violin bow
• Prepare, as a violin bow
• Prepare, as a bow
• Colophony
• What gives bite to strings in Figaro's introduction
• Varnish etc. from turpentine
• Sophie Ellis-Bextor shot from it
• Violin bow treatment
• It's put on bow of ship, initially, one in the navy
• Alternatively on the way up it is wrong to use this substance making varnish
• Fiddler's resin
• Moving inshore he left substance used in making varnish