I was familiar with Overthrust from Botswana just to the north because Vice did an amazing article on them years ago (that fortunately has been captured by the Wayback Machine since the photos are gone on the live site):

https://web.archive.org/web/20201024232145/https://www.vice.com/en/article/3b5pp3/atlas-hoods-botswanas-cowboy-metalheads

African. Cowboy. Death metal.

I used to follow them on Facebook back before I ditched social media. Their aesthetic and commitment to the bit is fucking fantastic.