They seem like one more bodily detail to tend to without much benefit, and sometimes more detriment (breaking a nail or scratching oneself up, ouch!).
They seem like one more bodily detail to tend to without much benefit, and sometimes more detriment (breaking a nail or scratching oneself up, ouch!).
I recall reading something about how they give you more tactile sensation on the part opposite and let you expert more pressure but it was a little while ago, might be hearsay.