CaliforniaCajun's post reminded me ..... many think it is better to not bend or turn your wrist to make the flip. I started out as a wrist turner but after reading it was "wrong", with great difficulty, broke the habit. Since then I use the thumb/forefinger to do the flip. I'm sure there are expert stroppers out there who turn the wrist. That is why I put quotation marks around wrong. I suppose it's only wrong if it doesn't work.