Reinforcement for fish swimmer or decoy flexible, characterized in that it comprises at least a mitre the invention relates to a framework equipped at the ends of the external mitres, the assembly makes it possible to ballast at least 60% of a fish swimmer or of a decoy flexible. The reinforcement is made up of a central rod (4) in one or more elements (9), one or more secondary rods (5), of any geometric shape, solid or hollow. The mitres (1) are in the external support or in a half - slit on the material of the lure, they are of any geometric shape and any color. All the elements may be made of ferrous metal or not, or composite material. The secondary rod or rods (5), as well as the mitres (1) can be connected to their support by any mechanical means (2) or chemical (3). This frame is designed to the equipment of fish or flexible portion of the swimmer.
