| Clue | Source | Date |
|---|---|---|
| Silent tell for a poker player | Wall Street Journal | 24 Mar 2025 |
| Hand signal, e.g | USA Today | 27 Jul 2019 |
| Dog trainer's hand signal, say | LA Times Daily | 23 Feb 2019 |
| Dog trainer's hand signal, say | The Washington Post | 23 Feb 2019 |
| Dog trainer's hand signal, say | ||
| Hand signal, e.g. |