Related Clues:

• Responds to "Are you in?," maybe
• First chips in the pot
• Stud fees?
• Pay to hold a hand
• Cards pitch-in
• Opening bet
• Pre-deal chip
• Opening payment
• Throw some coins on the table, maybe
• Vegas openings?
• Initial stakes
• See 61 Across
• Start a hand, maybe
• Upfront poker payments
• It's tossed in a pot