Related Clues:

• Sticky pine stuff
• Natural resin
• Violinist's need
• Varnish base
• Plastic ingredient
• Plastics ingredient
• Ingredient in varnishes and inks
• Epoxy, for one
• Copal or mastic
• Violinist's accessory
• Amber, essentially
• Oily resin
• Shellac, for one
• Amber or copal
• Amber, originally