Review (5/5): This product will not disappoint! It Works... fast and furious!  :-) I love it!!!
Nothing to add, others said it all. Watch for the burn. If there's no callous you're going to get burned right away. It's faster than anything else, that's good, but don't let it touch non-calloused skin even for a split second. Highly recommend for women who don't have forever to get things done! You'll appreciate this device many times over as you learn how to use it.