| CHOCK | Wedge put under a wheel to keep it from rolling |
| FLANGE | Flat rim on a wheel to keep it on a rail (6) |
| QUOIN | What is a wedge for raising the level of a cannon barrel or for keeping it from rolling? (5) |
| STRING | Rhyming's in the air: If you've got a balloon, I'm what you must tie to keep it from floating away in the 17D. What am I? |
| STAKEONESCLAM | Tether your shellfish to keep it from being jumped by other seafood lovers? |
| SPRAG | Wedge stuck under a wheel |
| SELVAGE | Edge of fabric which keeps it from unravelling and fraying (7) |
| ISOLATES | Tessa finds oil but keeps it from the others |
| CONE | Wombat dung is ___-shaped, which keeps it from falling off the side of the mountain where he's marked his territory |
| SKEWER | A brochette or shish on which to impale food while it is being barbecued, grilled or roasted; a pin with some other function, such as attaching a wheel to a bike; or, a pin-like tactic in chess (6) |
| NORIA | Device that uses a series of buckets on a wheel to raise water to a higher level |
| SKID | Shoe or other device applied to the rim of a wheel to act as a brake, as on a vehicle travelling downhill (4) |
| SPOKES | Series of rods radiating from the hub of a wheel to its rim (6) |
| TYRE | Car part on a wheel, to Brits |
| ROADHOG | Menace behind a wheel to wildly go hard round circle (4,3) |
| AXLE | It goes from wheel to wheel |
| TURNEDUP | Appeared by chance to be put under a new order (6,2) |
| BABYTOOTH | It might be put under a pillow overnight |
| STOWED | Shut up, with "it" | Put under a seat, say | Out in the open |
| STARED | Looked hard at a Communist put under a saint (6) |