Related Clues:

• Fingerboard ridges
• Simmers
• Is quite uneasy
• Frets
• Crockpot concoctions
• Irish and oyster, e.g.
• Hearty dishes
• Bites one's nails
• Mixed dishes
• They may be Irish
• Guitar-neck features
• Suffers in heat and humidity
• Hearty meals
• Guitar bars
• Excited states