Giuliani Premier Violin Bow &frac12; Size Highest-rated violin retailer on Amazon and #1-rated customer service in the U.S. The only bows backed by a full one-year warranty and 45-day money-back guarantee. Each bow set up and inspected by Kennedy Violins' professional luthiers in Washington State. All bows come pre-rosined and ready to play the moment you receive them. Handcrafted with solid Brazilwood, Mongolian horse hair, 100% genuine ebony frog, real black leather grip, and hand-applied finish.