Our tools fit our head. It is pointless putting tools that pull weeds out of gutters into a piece of radiator hose that under force they will pull out of. Even if they hold in, the rubber bend would simply collapse.
I have been cleaning gutters for many years, our competitors have been selling what they think are gutter cleaning tools for many years.
We, who do the job, have been advocating smaller vacs for many years, whilst all other sellers have tried, and in lots of cases, have persuaded many of you to part with money that a lot of you could not afford. You will now notice that they all now supply small vacs. I expect the same will go for the heads in due course.