Enter a clue or pattern or both:
The Clue
Buy-one-get-one-free item? (9 letter answer)
The Answer
SUSPENDER
Tags
Notes
The answer SUSPENDER is so rare that it appears less than once every 2500 puzzles.
Definition
SUSPENDER as a noun:
1. (brace, suspender, gallus) = elastic straps that hold trousers up (usually used in the plural)