Related Clues:

• Vulnerable spot for Achilles
• Man's command to his best friend
• Lab instruction?
• Achilles' weak point
• Collie command
• Bread piece
• Rear of a sole
• Part of a shoe
• Pursue closely
• End of a loaf
• It's always underfoot
• Spot command
• Weapon
• Part of one's sole
• Sharp weapon