I've used beaver tails a couple of times for bow handles. They were already dried and salted when I got them. I washed the salt off and wet the tails same as I would leather prior to putting them on. I used kangaroo lacing at the top, bottom, and front of the handle...have to be careful not to pull the lacing too tight as the holes will tear out fairly easy.
I won BOM with one bow (Dogwood Blossom) was the name of the bow. I think it was 2009 when it was listed.