| Clue | Source | Date |
|---|---|---|
| Digital contract? | USA Today | 21 Feb 2026 |
| 'Promise? For reeeeeal?' | ||
| Promise times infinity | USA Today | 01 Jun 2023 |
| Promise between besties | USA Today | 18 Nov 2021 |
| Curse from the Brain’s not-so-brainy pal? | Wall Street Journal | 05 Aug 2020 |
| Binding oath | USA Today | 06 Apr 2020 |
| Schoolyard promise | Newsday | 26 Jul 2019 |
| Playground promise | USA Today | 07 May 2016 |
| Make a promise, as kids do | Wall Street Journal | 13 Jan 2016 |
| Playground promise | ||
| Schoolyard promise | ||
| Use a two-digit confirmation code? | ||
| Kids' digital deal-sealer | ||
| Kids' digital deal-sealer | ||
| Schoolyard handshake | ||
| Schoolyard handshake | ||
| Solemn vow, between kids | ||
| Seal the deal, kid-style | ||
| Seal the deal, kid-style |