The most common and most likely answer to this crossword clue is the 7 letter word ROLLERS
I've seen this crossword clue in The Guardian
R
O
L
L
E
R
S
More clues leading to the result ROLLERS
- Waves you might have in your hair?
- Seated in a proper car, Her Majesty waves
- Canaries ocean formations
- They’re used to create curls and waves
- Waves from posh cars, commonly
- They crash into the beach cars
- Posh car carrying Queen giving waves
- Big cars will get walkers avoiding street
- Waves from the Queen in an expensive car
- Waves used to make other waves
Buddy explains!

The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does ROLLERS mean?
ROLLERS noun- (heading) Anything that rolls.
- A long wide bandage used in surgery.
- A large, wide, curling wave that falls back on itself as it breaks on a coast.
- (heading) A bird.
- A police patrol car or patrolman (rather than an unmarked police car or a detective)
- A padded surcingle that is used on horses for training and vaulting.
- A roll of titles or (especially) credits played over film or video; television or film credits.
- A wheelchair user.
- To roller skate.