VEHICLE SEAT BELT FASTENING DEVICE

The invention relates to a vehicle seat belt fastening device, said seat belt being equipped with a strap and a closing mechanism, said closing mechanism being simultaneously linked to the vehicle floor and also enabled to be linked in a sliding manner to the strap, the seat belt thus being suitable for holding said strap in relation to the closing mechanism, and therefore in relation to the vehicle floor, which comprises a tool that is enabled to be attached and removed in relation to said closing mechanism, said tool also being enabled to be manually manipulated, and to be manually attached and/or manually removed in the attachment and/or removal position thereof from the closing mechanism, said tool being equipped with means for cutting the strap and/or with means for breaking the windows of the vehicle.