| Clue | Source | Date |
|---|---|---|
| Shackle for a bike | Newsday | 13 Jul 2025 |
| Letter-shaped bike securer | USA Today | 17 Sep 2023 |
| Bike chain alternative | LA Times Daily | 08 May 2021 |
| Bike chain alternative | The Washington Post | 08 May 2021 |
| Bike messenger's need | The New Yorker | 18 Nov 2019 |
| Horseshoe-shaped bike protector |