Thank you for the very nice words....these bows are very simple to make and can be in about any combination of wood.
Here's some pics of this bows string knocks, and some pics of other "ice-picks" I've made for friends.
Sorry I cant help with the Osage question....never had any, or worked any, and dont have a clue to the working properties etc.
again, thank you very much for the nice comments.
rich