That's an emery board. No wonder I always bite my nails. I have the tools to keep my cuticles nice and smooth, but I leave it under a pile of junk in my drawer.
The story behind the dog tag is a fun one. I once had my friend's kid for the day, so we went to a pet shop. They made pet tags, and we had dog tags made with our names on them. My friend was not amused, but his son spent the next week barking.
Check out the headdress on this guy!