The most common and most likely answer to this crossword clue is the 8 letter word TWISTERS
I've seen this crossword clue in The Guardian
T
W
I
S
T
E
R
S
More clues leading to the result TWISTERS
Buddy explains!

The straight part
We know that "Fiddlers/corkscrews" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case fiddlers/corkscrews = twisters.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 TWISTERS mean?
TWISTERS noun- One who twists.
- The instrument used in twisting, or making twists.
- A ball delivered with a twist, as in cricket or billiards.
- A tornado.
- A girder
- The inner part of the thigh, the proper place to rest upon when on horseback.
- A crook, a villain.
- The party game Twister, usually capitalized, or a variant.