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So you mean at an angle to the hair growth? Doing so is something between WTG and XTG, and will give results as such. Closer than WTG, not as close as XTG; but also less risk of irritation than XTG....

Are you referring to scything? If so, I find that it does make a difference. But it's something that takes some skill to do; if you can't maintain control over the blade, you'll risk slicing yourself.