The most common and most likely answer to this crossword clue is the 6 letter word MAGNET
I've seen this crossword clue in Financial Times
M
A
G
N
E
T
More clues leading to the result MAGNET
- Publication free of tax is a draw
- Attractive piece in magazine on World Wide Web
- Grand artist frames something attractive
- French painter drinks gallon in attractive bar
- Frenchman represented agent as attractive type
- Gathered to bring in silverthat’s attractive
- Attractive bar man? Get off!
- Periodical to take home, something attractive
- Artist embodying good drawer?
- Bar that attracts certain elements
Buddy explains!

The straight part
We know that "Bar that attracts certain elements" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case bar that attracts certain elements = magnet.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 MAGNET mean?
MAGNET noun- A piece of material that attracts some metals by magnetism.
- (preceded by a noun) A person or thing that attracts what is denoted by the preceding noun.