Amazon.com: Hold It Mate Multi-Use Hook Kit Hang Flower Baskets Bird Feeders Chimes Lanterns on a Vertical Deck Railing, Balcony Porch or Fence 18 inches Long Holds up to 15lbs with Ease! :
Large size cedar platform bird feeder for deck railing or window sill. | eBay
Utili-Pole Deck/Rail Mount
Rail Feeder Wooden Bird Seed Feeder for Use on Porch or Deck - Etsy