| IMMOBILISER | Device on a car which prevents it from starting unless a special key is used (11) |
| MARTINGALE | Strap from the reins to the girth of a horse that prevents it from carrying its head too high (10) |
| HANDBRAKE | Parking device on a car (9) |
| SECRETSAUCE | Special key to the success of something |
| DESCRIBED | Recounted heroic exploit about special key (9) |
| SPACEBAR | Special key and tempo in second piece of music (5,3) |
| CARSICKNESS | Dramamine prevents it |
| ELIZABETHAN | Resembling in shape the broad neck frills of Tudor times, the device fastened round an animal's neck to prevent it interfering in a healing process is called an ... collar |
| NOBBLE | To tamper with a horse or greyhound to prevent it from winning a race, e.g. by giving it a drug (6) |
| STOPPER | Knot at the end of a rope to prevent it from slipping through a narrow gap; or, a bung for a bottle (7) |
| NOBBLED | Injured (a horse) to prevent it from winning a race (7) |
| MUZZLE | A strap or cage put over the snout of an animal to prevent it from biting (6) |
| ALASKA | Territory sold by Russia in 1867 to prevent it from falling into British hands in a future war |
| GATE | In rowing, a clasp which prevents an oar from jumping out of a rowlock (4) |
| TOECLIP | Attachment on a bicycle pedal which prevents the foot from slipping (7) |
| REFLECTOR | Piece of red glass or plastic fitted to a bicycle or car which glows when light shines on it (9) |
| CREALY | This adventure park near Padstow has a large front and back entranceway where you can park your car, which is a very good arrangement (6) |
| ELDORADO | Upmarket Cadillac personal luxury car, which had a near-50-year model run from 1953 (8) |
| UNCOILING | Relaxing, unless a snake is doing it! |
| TRICK | Word for an artifice; an illusion or magical feat; or, a prank, such as that played at Hallowe'en unless a householder produces a treat (5) |
