Related Clues:

• ''I'm in'' indicator
• Pay for play
• Chamber opening?
• Pot deposit
• Steak
• Poker chip-in
• Pre- kin
• Throw in a chip
• It may be raised at a table
• Start a poker game
• Add to the kitty
• Post counterpart
• Initial contribution
• Penny-__ (small-time)
• Pay to play cards