Rhythm Bones – percussion instrument used in traditional Irish music.
According to
Rhythm Bones Society, the percussion use of bones has been traced back to 3000 BC. They have some very interesting information on their web site—history, types, uses, current artists and where to buy.
Bones can easily be made from the rib bones of cow or sheep, they can also be made of various kinds of wood or even synthetic materials. My bones are from the cow purchased from the local butcher and I got several so that I could later choose the best ones. I asked for bones that were not too curved. I boiled them until the meat was completely peeled off, allowed them to dry for several weeks and then cut to about 6 inches length. Sandpaper was used to obtain a smooth finish and then they were oiled. It takes about a year before they really dry and season to make the best sound.
Bones should not be over-used in a session then they really pick up the mood. When I do play the bones the cameras often start to flash. They are very popular with tourists.
Tutorials
Dublin born performer, composer and academic Mel Mercier received his first bodhrán and bones lessons from his father, Peadar Mercier, a member of The Chieftains until 1976. He has an instruction video. Check the internet--most of the vendors seem to be in the US.
Also Tommy Hayes from the well-known musical family in Clare has an instructional DVD
Bodhran, Bones & Spoons.
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and myself
The audience was largely American and loved every minute of it. I played along with my harmonicas and with the bones. There was a great interest in the bones and several people wanted to examine them and try them out. 
