| Clue | Source | Date |
|---|---|---|
| Truckers' rollers | Newsday | 31 Jul 2020 |
| Tracking shot needs | Wall Street Journal | 04 Nov 2017 |
| Toys -- they shouldn't be dropped | The Telegraph Toughie | 06 Jan 2015 |
| Movers' helpers | ||
| Movers' conveyances | ||
| Mover's helpers | ||
| Film makers' equipment | ||
| Low platforms on wheels for moving heavy loads. |