This file works great! I am not in love with filing the dead skin off of the bottom of my feet (who is?) so the ease of use is extremely helpful. All I need is a couple of passes on my heel, the ball of my foot, and the bottom/side of my big toe and I'm good to go. It is an inexpensive product that you could probably find in any drug store. I don't see myself changing "foot paddles" anytime soon.