Thank you as well Jim!
And special for your as usual good thoughts about them. You are correct, they are not sharpened so is a ritual use very probable. And I agree with you that the antler hilts seems to have a talismanic purpose. See also the other knife from this area I have posted some time ago:
http://www.vikingsword.com/vb/showth...ghlight=antler, the handle from this knife is most probable from the same antler as this both. I will try to contact the people fom the given link, maybe they are able to provide more informations.
Regards,
Detlef