Hi, I've been told the hooks are for swords, etc. I have a similar horn tool i suspected might have been used to hold a match it has a charred area. Seeing two with a flint action doesn't help that guess, My kamar seemed to be partially pieced together so I'd love to know it's true use.
http://www.vikingsword.com/vb/showthread.php?t=13900 Quite a neat collection. Steve