Carabiner with a bar, comprising: • a metal body , • a gate mounted movable in rotation at a first end of the metal body between a closed position and an open position of the carabiner , the gate being in contact with a second end of the metal body when the carabiner is in closed position, • a separation bar fastened to the metal body and configured to define two distinct confinement areas, the carabiner being characterized in that • the separation bar is assembled onto the metal body at first and second opposite ends of the separation bar , • the first end comprises a first fastener surrounding the metal body , and the second end of the separation bar comprises a second fastener surrounding the metal body , the first fastener and the second fastener totally surrounding the metal body , • the separation bar being configured to authorize opening of the gate when the first and second fasteners totally surround the metal body , • the first fastener is configured so that the first end of the separation bar is assembled by clipping onto the metal body , and • the second fastener is configured so that the second end of the separation bar is assembled by clipping onto the metal body or the second fastener defines a ring having no means for opening said ring. • a metal body , • a gate mounted movable in rotation at a first end of the metal body between a closed position and an open position of the carabiner , the gate being in contact with a second end of the metal body when the carabiner is in closed position, • a separation bar fastened to the metal body and configured to define two distinct confinement areas, the carabiner being characterized in that • the separation bar is assembled onto the metal body at first and second opposite ends of the separation bar , • the first end comprises a first fastener surrounding the metal body , and the second end of the separation bar comprises a second fastener surrounding the metal body , the first fastener and the second fastener totally surrounding the metal body , • the separation bar being configured to authorize opening of the gate when the first and second fasteners totally surround the metal body , • the first fastener is configured so that the first end of the separation bar is assembled by clipping onto the metal body , and • the second fastener is configured so that the second end of the separation bar is assembled by clipping onto the metal body or the second fastener defines a ring having no means for opening said ring. • the separation bar is assembled onto the metal body at first and second opposite ends of the separation bar , • the first end comprises a first fastener surrounding the metal body , and the second end of the separation bar comprises a second fastener surrounding the metal body , the first fastener and the second fastener totally surrounding the metal body , • the separation bar being configured to authorize opening of the gate when the first and second fasteners totally surround the metal body , • the first fastener is configured so that the first end of the separation bar is assembled by clipping onto the metal body , and • the second fastener is configured so that the second end of the separation bar is assembled by clipping onto the metal body or the second fastener defines a ring having no means for opening said ring. <EOS>