Interesting- Extra Wide Lash Line Brush

I was just browsing around the other day and came across these Sonia Kashuk brushes.  I've never seen this shape before, and of course I can't order from Target so I checked all the other brush sites and didn't see them anywhere else.

They even have one in a set: 

It looks really interesting, but for some reason I see myself making a big mess on my eye.  

Has anyone tried one of these???