Because archeologists are unsure of its original function, they now use the descriptive term bâton percé, meaning “pierced rod,” to refer to this type of prehistoric artifact. Made from a length of antler with a round hole in one end and often etched with designs, the bâton percé was originally believed to be a symbol of power. Later theories suggest it may have been a fertility symbol, arrow straightener, dress fastener, calendar, or spear thrower. How was the latter theory tested? Discuss