Enter a clue or pattern or both:
The Clue
Promotional campaign adjunct (5 letter answer)
The Answer
TIEIN
Tags
Notes
The answer TIEIN is seen occasionally, appearing about once every 700 puzzles.
Related Clues
Connection
Coordinate
Coordinate (with)
Link
Relationship
Be consistent
Cross-promotion
Join together
Marketing device
Marketing ploy
Promotional device
Many a McDonald's promotion
Soundtrack album, e.g.