What is bought by the yard but worn by the foot?

Riddle Explanation:
The riddle, “What is bought by the yard but worn by the foot?”, cleverly uses measurement terms in a playful way. The answer is carpet. Carpets are typically purchased by the yard (or meter) based on their dimensions, but once installed, they are walked on and “worn” by foot traffic. This riddle highlights how language can create fun puzzles by connecting measurements with everyday items