txtCommentary={\f1 Frog.} The frog is the piece of hardwood (usually ebony) at the end of a {\uldb bow}{\v 21373} that holds the hairs in place and away from the stick. (The origins of the name \'93frog\'94 are obscure.) On early bows, the frog simply clamped the hairs and was immovable, making the tension of the bow hair hard to adjust. Adjustments on a modern bow are made with the button. On a choice piece of wood, a maker may use gold
txtHeading=The Bow
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txtCommentary1=\par \par instead of silver for the metal mountings, and tortoiseshell instead of ebony for the frog. {\fs24\uldb\'80}{\v next}