The most common and most likely answer to this crossword clue is the 5 letter word JABOT
I've seen this crossword clue in The Times
J
A
B
O
T
Buddy explains!
The straight part
We know that "It should be on one’s front" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case it should be on one’s front = jabot.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 JABOT mean?
JABOT noun- A cascading or ornamental frill down the front of a blouse, shirt, etc.