Related Clues:

• Helpfulness
• Rink statistic
• ". . . but to no ___"
• Contribute to the cause
• Helpful act
• Run interference for, e.g.
• Join the surgical team
• Start a rally
• Bring to the supper table
• Opening stroke
• Take advantage of, use
• Make use
• Put the ball into play in tennis
• Help, aid
• Put the tennis ball in play