| Answer | Crossword Clue |
|---|---|
| SPRAG | Wedge placed under a wheel |
| CHOCK | Wedge placed under a wheel. |
| SPRAG | Wedge placed beneath a wheel |
| chocks | A wedge or block placed against a wheel or rounded object, to prevent it from moving |
| CHOCK | Wedge under a wheel to prevent motion. |
| skidproof | usually iron shoe or clog attached to a chain and placed under a wheel to prevent its turning when descending a steep hill drag |
| skids | usually iron shoe or clog attached to a chain and placed under a wheel to prevent its turning when descending a steep hill drag |
