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Old 05-11-2016, 10:47 AM
Doughbag Doughbag is offline
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Join Date: Jul 2009
Location: A German in Cork, Ireland
Posts: 1,121
The function of a nail is different to a claw.

The claw is an aid in gripping to surfaces and holding prey in place or a weapon altogether.

The nail is there to protect your fingertips (or in some mammals it turned completely into a hoof) and as a tool to hold or pull small things (splinter) that would not be possible to do with claws.

Just think of the things we do and touch with our hands and the fingers attached to them, some of those activities or places where they touch - I certainly wouldn't wanted claws anywhere near there.