I have monolid eyes and my lashes are under my eyelids. When I placed the curler to my eye, the sides hit directly on my facial bones. It touches none of my lashes and it would not do to the root of my lashes. Okay, try lifting the eye lid up -- nope. That didn't work either. Because I have monolid eyes, my lashes are short and would not go to the root.

To market a curler that "fits all eye shapes" is heavily misleading in my case. Avoid if you also have monolid eye shape.