Review (2/5): These don't pinch open wide enough.
These are OK, but with my arthritis, I find them hard to pinch open far enough to slide them onto my strip of hair.
Also, somehow, on their next upgrade, they should find a way to make them lighter in weight so they don't pull down from gravity. However, I am older and my hair is thinner than it used to be. Thicker hair would probably work just fine, especially if you have natural waves and good body to your hair.