The most common and most likely answer to this crossword clue is the 8 letter word TRINKETS
I've seen this crossword clue in The Sunday Telegraph
T
R
I
N
K
E
T
S
More clues leading to the result TRINKETS
Buddy explains!

The straight part
We know that "ornaments of little value" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case ornaments of little value = trinkets.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 TRINKETS mean?
TRINKETS noun- A small showy ornament or piece of jewelry
- A thing of little value; a trifle; a toy.
- A three-cornered sail formerly carried on a ship's foremast, probably on a lateen yard.
- A knife; a cutting tool.