straight clone without any blending (the final image will look much better).
Release the selection to see the actual result.
The Patch tool’s result.
As you can see, it does a pretty impressive job of blending the source and
destination pixels all on its own. But going over areas that need
improvement with the Healing Brush is good practice.
Destination Mode
With “Destination” mode selected, the area you select first will be the area
that is replicated elsewhere. For instance, if we start with the same selection