The most common and most likely answer to this crossword clue is the 3 plus 3 letter word TIN HAT
T
I
N
H
A
T
More clues leading to the result TIN HAT
- Combatant's helmet that restricts batting
- Dye covering half of hair in helmet
- Soldier’s gear, which stays at home
- . . . . and another one that’s securing home?
- Who’ll accept trendy modern type of saladE?
- Headgear other than this keeps fashionable
- It was Tommy’s protection which secured home
- Protection for head which has squeezed in
- Helmet — it’s not this being worn by one knight
- Can cry, given what’s behind pot noodle lid
Buddy explains!

The straight part
We know that "helmet" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case helmet = tin hat.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.