Possible Clues:

• Guitar plucker
• It's used to pluck a stringed instrument
• It's used to pluck a stringed instrument
• It's used to pluck guitar strings
• Pressure to elect headless type from The Bar, as will be useful for pulling a few strings perhaps
• It's used to pluck strings
• Guitarist's tool
• Pressure to elect headless type from The Bar, as useful for pulling a few strings perhaps
• It's used to pluck an instrument
• One might help one pick out a tune