Related Clues:

• Barely chewable
• Like nails
• Durable
• Barely chewable, as steak
• Hired goon
• 'Too bad, so sad!'
• Gristly
• 'Too bad for you!'
• Difficult or leathery
• Strong or leathery
• Hard to cut or chew
• Made to withstand abuse
• Hardy and strong
• "Not my problem"
• Hard to chew, as steak