Trowel, scoop, or even a wire coat hanger (straightened out with a hook on the end).
Here’s a clear, step-by-step text you can use for a blog post, guide, or video script on . how to clear blocked gutter downpipe
The first step in fixing a downpipe is confirming that a clog exists and locating its position. You will likely notice water overflowing from the top of the gutter during rain, or you might see water seeping from the joints of the downpipe itself. You can also test the pipe by running a garden hose into the top; if the water doesn't come out the bottom at the same rate it goes in, you have a blockage. Safety First Trowel, scoop, or even a wire coat hanger