When you say clipper, do you mean something like these?
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I'm not sure how you keep those Sharp but it would be good if you can. Because I remember using those many, many years ago and sometimes
it would just kind of crush the nail instead of slicing through it. Plus I always found it hard to judge where the quick was when you're cutting off a portion like that.
My Dremel is always Sharp. It's a diamond tip so I wonder if it even wears down. Oil it once in awhile and it's always good. And I like being able to grind slowly and watch where the quick is before its too late.
But everyone has their own tool that they're comfortable with.

What works for one person may not work for another. It's all good.