Amazon's biggest selling games product from the video games category in August was a Switch screen protector.
That's according to research by analysts at Thinknum, who tracked the sales ranking for each item that held onto a place in the Amazon best-sellers list every day of the last month.
Looking specifically at the video games category, the company found that of the top 20 products that achieved this, only ten were actually video games. A further six were controllers and other accessories, while four were digital codes for memberships to Xbox Live Gold and PlayStation Plus or store currency.
And Nintendo dominated the month.
The biggest selling product of the month, with an average ranking of 5.7 in the best-sellers list, was the amFilm Tempered Glass Screen Protector for Nintendo Switch (pack of two).
This was one of three Switch accessories in the Top 20, alongside the official Pro controller and a portable carry case.