The most common and most likely answer to this crossword clue is the 10 letter word KETTLEDRUM
I've seen this crossword clue in The Guardian
K
E
T
T
L
E
D
R
U
M
More clues leading to the result KETTLEDRUM
- Confined by police — suspect one soundly beaten?
- Cook's equipment, initially damn funny source of rolls
- Skinhead cornered alcohol
- Constrained by police, suspect is one getting beaten
- Exercised crowd control with peculiar instrument
- Kept in confined space, odd part of kitchen
- Herded by police, odd one that’s given a beating
- 11 contained drink
- Spirit trapped before it gets beaten
- Restricted protesters say with odd instrument
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 KETTLEDRUM mean?
KETTLEDRUM noun- A large hemispherical brass percussion instrument (one of the timpani) with a drumhead that can be tuned by adjusting its tension.
- An informal social party at which a light collation is offered, held in the afternoon or early evening.