I think the mix of flour makes a different crunch and colour.
Corn and potato flour go crispier, wheat is chewier due to gluten content I think.
After I battered up the chicken, I gave them a final dusting of a seasoned 50/50 corn/wheat flour mix to get a even external coat. Though you want the haphazard lumpy batter as it adds lots of Different textures and more surface area for the glaze.
I read a science-y sounding article on the subject when I was in the shop that seemed to suggest the gluten hindered oil uptake in the batter. I need to do a side-by-side taste test at some point.
I think the mix of flour makes a different crunch and colour.
Corn and potato flour go crispier, wheat is chewier due to gluten content I think.
After I battered up the chicken, I gave them a final dusting of a seasoned 50/50 corn/wheat flour mix to get a even external coat. Though you want the haphazard lumpy batter as it adds lots of Different textures and more surface area for the glaze.