I love the perspective from which people see the possibilities. Haven't had a single response through this series about bows and arrows!! Very interesting and probable answer @jrb450.
I got a very precise answer to this one on FB, just in case you're interested:
Tim Mann Shellie Smith Perfect, I believe I know Exactly what it is, I believe that is a dresser for a grinding wheel. When using a grinding wheel they tend to get lop sided, with the machine on you hold the bottom face against the spinning wheel and it gives you a nice fresh edge.
I appreciate your input @jrb450. Hope you'll take a stab at the other items I posted as well!