Electric guitar braces that can freely tighten up and relax

The utility model discloses an electric guitar braces that can freely tighten up and relax, shoulder and two braces monomers including one, the braces monomer includes go -between, back of the body rope rack belt and buckle, the both ends of back of the body rope are sewed up respectively and are connected with go -between and buckle, and just the terminal surface symmetry of back of the body ropeis sewed up and is connected with rack belt, the buckle is including turning over board and buckle body. In the carrier roller device, adopt two braces monomers to constitute the braces through the mode that the buckle carries out sliding connection, it is connected with rack belt to sew up at the terminal surface of back of the body rope, then it is connected with the buckle to sew up at the tipof braces, wherein, the buckle is turned over the board and constitutes with having to link up with by the buckle body, then rotate to be connected with at buckle body up end and turn over the board,then the inner wall at the