Related Clues:

• Unit on a belt
• Mark with a cut
• Stick nick
• "Kick it up a __": Emeril
• Cleft
• Tally on a gun handle
• Incremental amount
• Gunslinger's mark
• Serrated marking
• Gunstock carving
• Gunslinger's tally mark
• Belt feature
• Serration
• Progress unit
• Top-___