Related Clues:

• Grasp
• Hold tight
• Grip firmly
• Make into a ball
• Hold tightly
• Grit your teeth
• Grip tightly
• Tighten, like a jaw
• Tighten, as a fist
• Grasp firmly
• Close fingers tightly
• Close teeth or fingers tightly
• Close tightly, fingers or teeth
• Something to do with your teeth
• Close firmly together