I like to use nylon cub brushes for descaling, removing old paint, stuff like that. However, I've found it's just a little too easy to overdo it with this tool, it can struggle with 1.5" brushes. When that happens, the tool stops and you need to let up, then release and re-squeeze the handle. That last part is t a real pain because it also has a safety lever to get out of the way.
If it was like an air tool, where you moved it away from the surface material and it restarted, then this would be a great tool.
If it stopped but started again as soon as a lowered the presure wouldn't mind if it stopped but then started going again when you release the presure.