Instruction: Analyze a question and its supporting document. Predicting answerability based on the information provided in the document. Output yes if the document contains relevant information to answer the question, otherwise output no.

Input:
Question: how does it handle leaves that come down the downspout - since it's flat do they clog the device
Document: I bought a couple of these downspout extenders along with a couple extensions since I wanted rainwater to drain farther from the house. They attached to my downspouts quickly, easily, and relatively securely. The flat plastic part seems very sturdy and I covered them with soil so they are hardly noticeable. One warning:  be sure your gutters are leaf free because leaves can clump up very easily in the flat part.
I was skeptical about this as I wanted to direct water to the side of the house and not directly away from the wall, and didn't know how easy this would be. However, this downspout does the job very well.It took about 5 minutes to install by simply pushing the connector up over the existing downpipe and then connecting the flat drain piece.
At first, I didn't get it. The instructions are unclear, and the two halves appear that they should fit together in what at first looks like a logical way. The two halves of this device have corresponding lugs and cavities that appear to lock together. Wrong. The two flat pieces fasten together easily, but not in the way that looks apparent. One can struggle forever to make them mate in the logical-looking, but incorrect, way. Duh.So why make this report?
This is one cool downspout extender! It rotates full 180 degrees, bends up / down, and is as rugged as advertised. One I used on a bank near the SW corner of the house, and I neatly buried the flat portion below the grass line, then I embedded a 16-inch paver at the end to displace the end flow. A little creative landscaping, and your downspouts can be greatly improved.
I purchased and installed this InvisaFlow downspout connector to my standard aluminum gutter downspout to divert water under a set of stairs (towards the driveway) and away from a new patio area. Installation was very easy. The downspout is a low-profile design that's able to be hidden under dirt and gravel more easily than the traditional 4-inch round downspout connectors. This downspout features a 2-piece design with the ability to rotate at the connection point so that the drain can be installed flat to the ground.
These work well but with rain generally come wind and you need to weight these down, they are made of plastic and could fly off. They could also be a little longer but overall do the trick.
I found it was easy to attach the parts and even easier to attach to the gutter. I used it to extend a gutter that had come apart and was impossible to reattach the end piece back on.
works well, but the flat piece is to wide for the area I had planned to use it in my garden.
The two halves fit together just fine in reverse. Functionality? Just fine. It fits on the metal drainpipe and conveys the water several feet away. Because it is flat, it is also not so ugly.
I like how they made them flat. I covered it up with mulch to hide it and the length is good too. Keeps the mulch from washing away because it take the water away from the flower bed.
Answer: yes