Looks really, REALLY promising...

https://m.imdb.com/title/tt0800325/?ref_=m_ttfcd_tt

Is there any behind the scenes footage around?

Extremely promising find there.

Sharise Neil is the mud wrestler one of them married, so it's likely we'll see this chick getting muddy:

http://variety.com/2018/film/news/levan-rambin-sherice-neal-motley-crue-pic-the-dirt-1202723003/

Her Instagram is private but I'm sure somebody'll get right on that nonetheless....

Just checked.
Nothing of significance on her Instagram profile so far.