some product marketing maybe?
Describe problem to be fixed
Demonstrate impact of results
Get trusted HB member with your grinder to use and evaluate it and provide feedback with permission to share here on HB
Update your solution based on feedback (usability, suggestions)
Take a page from Orphan Espresso and do a YouTube video on it
take a look at the forums here and see how people get attention. Soak up the community vibe or hire someone to do so.
I'm quite puzzled by the way versalab expresses itself and advertises on this site. The value proposition is not at all clear.
Consider avoiding phrases like this:
The parts of the kit are not of the highest quality