The Brush that isn't given enough credit

(well, as far as I know haha)

I first heard of this brush when I was watching the videos put up by Makeup Designory. They use this brush (or a smaller) version for mascara. I've also seen it on Makeup Geek and a few other youtubers' videos.

It has become one of my all time FAVORITE types of brushes....no contest, everyone should have one........
it's the...............