Patented Pro Flip Downspout Extension latch - YouTube
Squaremont Ornamental / Decorative Downspout Bands / Straps - The New CopperShoppe.com
3x4 Style A Downspout Flip Up Hinge | Made in The U.S.A. | Also Includes Screws, Aluminum Latch & Instructions | Easy DIY on 3x4 Downspouts (Black) - Amazon.com