Anti-slippage substances

• Maintains, as a violin
• Ingredients in bowstring waxes
• Prepares a violin bow
• Prepares a bow, with "up"
• Prepares, as a violin bow
• Some pine extracts
• Fiddler's applications
• Treats, as a bow

Wiktionary Word definitions in Wiktionary
n. (plural of rosin English) vb. (en-third-person singular of: rosin )