SH. TUMARI silver/ebony violin bow, light Pernambuco, 63.5 grams, by Shahrokh Tumari, Los Angeles, USATumari is the maker of hand crafted custom bows for clients since 1993, including professional musicians and collectors. Learning advanced techniques from master bow makers in the field, such as Mr. Thomas Gerbeth in Vienna, Austria. Tumari collaborates with clients to cater to their specific needs and preferences in terms of performance and aesthetics whilst maintaining a high level of quality control and consistency in all aspects of the bow making