Dodd violin repair Posted on March 4, 2019May 17, 2019 by j aniano John Dodd transitional violin bow frog and stick, before repair. John Dodd transitional violin bow frog and stick, after repair consisting of stick end extension and full cheval to ebony frog. John Dodd transitional violin bow frog and stick, after repair consisting of stick end extension and full cheval to ebony frog, reverse side showing NORRIS brand.