Instead of "Talking Chips," I use "Talking Points." It's a play on words that only I enjoy. The kids enjoy earning points for talking! Laminate, and they become re-usable. Or, kids could write their names on the back for cashing in their points.
From Kagan's web page:
Communication regulator, Fluency builder
• Every student is held accountable for participating.
• Develops speaking and listening skills
Teammates place a “talking chip” in the center of the team table each time they talk. When they’re out of chips, they may not talk until all teammates have used their chips.