Possible Clues:

• Left on the store shelf
• Can't give it away, as third clue has a couple of points - nothing new there
• Still available for sale
• Not moved, as product
• Article in Paris South, antique still on the market
• Still available to buy
• Like merchandise still on the shelves
• If you haven't disposed of your shoes, you'll need to take them to the cobbler, by the sound of it