The most common and most likely answer to this crossword clue is the 9 letter word BRACELETS
I've seen this crossword clue in The Daily Telegraph
B
R
A
C
E
L
E
T
S
More clues leading to the result BRACELETS
Buddy explains!
The straight part
We know that "ornamental pieces" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case ornamental pieces = bracelets.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 BRACELETS mean?
BRACELETS noun- A band or chain worn around the wrist as jewelry/jewellery or an ornament.
- The strap of a wristwatch, used to secure it around the wrist.
- (chiefly in the plural) A handcuff.
- A piece of defensive armour for the arm.
- To surround with, or as if with, a bracelet; to ring or encompass.