Related Clues:
- Slips among the chips
- Acknowledgment of debt
- Bettor's slip
- Evidence that one is short
- Gambler's memo
- Poker player's last resort
- Note to be used later
- Repayment reminder
- Notes in a pot
- Debt acknowledgment
- Notes in a poker pot
- Letters written by someone who's a bit shy?
- Poker pot item, perhaps
- Payment proxy
- Lendee's note