Related Clues:

• Sand and such
• Sand bits
• Inner fortitude
• ''True ___'' (John Wayne film)
• Cogburn's was ''True''
• 'True __'
• Unyielding courage
• Strength of character
• Willingness to get dirty
• Liberal, so to speak
• Dogged determination
• "True __": John Wayne film
• Wayne's was "True"
• Abrasive bits
• Sandpaper specification