Related Clues:

• Grind
• Grind together
• Grasp
• Hold tight
• Grind one's teeth
• Grind, as teeth
• Grip firmly
• Rub together
• Grind together, as teeth
• Make into a ball
• Hold tightly
• Grind, as one's teeth
• Grip tightly
• Tighten, like a jaw
• Grind (one's teeth)