Related Clues:

• Violin bow application
• Violinist's need
• Plastic ingredient
• Plastics ingredient
• Pitcher's bag
• Epoxy, for one
• Pitcher's aid
• Copal or mastic
• Amber, essentially
• Shellac, for one
• Amber or copal
• Amber, originally
• Balsam, e.g.
• Amber source
• Varnish source