I have a customer who purchased one a couple of years ago. She's asking me about a problem she has where it takes off too much flesh from the apple along with the peel. She has tried adjusting the cutter piece, but it is still taking off too much. Any suggestions for her? I've sometimes had this problem and thought it was because the apples were too soft, but it seems to even be happening with Granny Smiths. I'd appreciate any advice you can give!