First..you need a fresh dried thick cow leg bone with bulbed ends cut off.
Now slice off dense slab off leg bone.
Now trace out head shape on bone slab !
Cut out shape on bandsaw..be carefull to keep it flat
Now thin, shape till you get the shape you want.
To finish ..hand sand...belt sand or file to get sharp edge ! A little wood wax coat and your ready to put on arrow!!!
One more thing ..be careful not to breath bone dust. It effects some people.
Good luck on you bone point!!!
In a few days I'll draw someone name that responds to this topic and send them this point to try..Happy Thanksgiving !! Jeff