What should I use for these? Epoxy for the tips? What for the sinew wraps? Also, what is good to glue the shelf material on? I don't have much of a shelf though.

One more question, what is good to seal an osage selfbow?

I like pine pitch glue for hafting stone and trade points. I use either super glue, Tite Bond III or pine pitch varnish to seal sinew wraps and Tru-Oil to seal most  of my wood bows. Barge(contact) cement or super glue or TBIII for gluing shelf material.   Pat

Where can you find pine pitch? And what do you use to glue the sinew wraps?

Pine pitch is what oozes out of pine trees, I put it in a can and heat it up, remove the debris(bark, dirt, etc) and add bees wax and crushed charcoal.  For sinew wraps I chew the sinew threads until they are soft and wrap it where I want it. The saliva and sinew makes its own glue. After it dry I seal it.
  Pat